ClassID:

6750

A43B13/38 - CPC Classification

Classification description:

Soles; Sole-and-heel integral units Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process

Sub-classes:
Recent Application in this class:
#1
20260137163
2026-05-21

APPARATUS AND RELATED METHODS OF INCREASING FOOT PROPULSION

#2
20260101959
2026-04-16

TWO-PIECE INJECTION MOLDED SHOE SYSTEM

#3
20260060366
2026-03-05

PROTECTIVE ARTICLES HAVING A PLURALITY OF CORE MEMBERS

#4
20250351915
2025-11-20

ARTICLE OF FOOTWEAR WITH MULTIPLE LAYERS AND METHOD OF MANUFACTURING THE SAME

#5
20250331603
2025-10-30

FOOTWEAR ARTICLE WITH IMPROVED BONDING BETWEEN UPPER AND SOLE

#6
20250248487
2025-08-07

FOOTWEAR HAVING A SUSPENDED ELASTIC MEMBRANE

#7
20250169574
2025-05-29

STRUCTURE AND PROCEDURE FOR MAKING A SHOE WITH KNITTED UPPER

#8
20250149163
2025-05-08

Smartphone-Controlled Active Configuration of Footwear, Including With Concavely Rounded Soles

#9
20250143409
2025-05-08

SMARTPHONE-CONTROLLED ACTIVE CONFIGURATION OF FOOTWEAR, INCLUDING WITH CONCAVELY ROUNDED SOLES

#10
20250127265
2025-04-24

ARTICLE OF FOOTWEAR

#11
20250107589
2025-04-03

TWO-PIECE INJECTION MOLDED SHOE SYSTEM

#12
20250072559
2025-03-06

FOOTWEAR AND METHOD OF MAKING FOOTWEAR

#13
20250000210
2025-01-02

UPPER FOR AN ARTICLE OF FOOTWEAR AND METHOD OF LASTING THE UPPER

#14
20250000204
2025-01-02

SMARTPHONE-CONTROLLED ACTIVE CONFIGURATION OF FOOTWEAR, INCLUDING WITH CONCAVELY ROUNDED SOLES

#15
20240156202
2024-05-16

Shoe Covering Device And Method Of Use

#16
20240148108
2024-05-09

STROBEL FOR AN ARTICLE OF FOOTWEAR, AN ARTICLE OF FOOTWEAR AND PROCESS FOR MANUFACTURING THE ARTICLE OF FOOTWEAR

#17
20240120092
2024-04-11

Sensor-equipped smartphone configured for connection to its user's footwear soles with sensors and structures configurable by the smartphone and for connection to a big data artificial intelligence computer system connected to millions of other smartphones controlling users' configurable footwear soles

#18
20240114997
2024-04-11

Cloud-based computer system connected to users with smartphones connected to footwear soles and to body sensors, configured to diagnose conditions requiring preventive, corrective or rehabilitative care

#19
20240108097
2024-04-04

PROTECTIVE ARTICLES HAVING A PLURALITY OF CORE MEMBERS

#20
20240057718
2024-02-22

WATERPROOF AND WATER VAPOUR PERMEABLE FOOTWEAR

#21
20240008592
2024-01-11

FOOTWEAR WITH MECHANICAL FOOT-INSERTION ASSIST

#22
20230346079
2023-11-02

SHOE WITH A COMBINATION OF LIGHTWEIGHT UPPER CONSTRUCTION

#23
20230335276
2023-10-19

Big data artificial intelligence computer system used for medical care connected to millions of sensor-equipped smartphones connected to their users' configurable footwear soles with sensors and to body sensors

#24
20230309648
2023-10-05

SOLES FOR SPORTS SHOES

#25
20230091843
2023-03-23

WATERPROOF AND BREATHABLE FOOTWEAR RESISTANT TO POST-TREATMENT

#26
20230086698
2023-03-23

Medical system or tool to counteract the adverse anatomical and medical effects of unnatural supination of the subtalar joint

#27
20230082535
2023-03-16

SHOCK ABSORBING SOLE

#28
20230066102
2023-03-02

Upper for an article of footwear and method of lasting the upper

#29
20230055536
2023-02-23

Structure and procedure for making a shoe with knitted upper

#30
20220287410
2022-09-15

System And Method For Embedding A Tracking Device In A Footwear Insole

#31
20220225725
2022-07-21

Waterproof Boot With Internal Convection System

#32
20220167711
2022-06-02

Footwear having a suspended elastic membrane

#33
20220104587
2022-04-07

Platforms

#34
20220061453
2022-03-03

Apparatus and related methods of increasing foot propulsion

#35
20210392995
2021-12-23

Sole structure for an article of footwear with first and second midsole bodies

#36
20210375453
2021-12-02

Smartphone-controlled active configuration of footwear, including with concavely rounded soles

#37
20210330030
2021-10-28

System and methods for lasting an upper to a 3D printed platform

#38
20210267302
2021-09-02

INSOLE FOR ARTICLE OF FOOTWEAR AND COVERING FOR FOOT

#39
20210235814
2021-08-05

SOLE ASSEMBLY AND A HIGH HEEL FOOTWEAR HAVING THE SAME

#40
20210127789
2021-05-06

Article of footwear with upper having member with support arm

#41
20210030106
2021-02-04

Base layer for footwear and method of manufacturing same

#42
20200405010
2020-12-31

System and method for embedding a tracking device in a footwear insole

#43
20200367605
2020-11-26

SMARTPHONE-CONTROLLED ACTIVE CONFIGURATION OF FOOTWEAR, INCLUDING WITH CONCAVELY ROUNDED SOLES

#44
20200315290
2020-10-08

Soles for sports shoes

#45
20200315289
2020-10-08

Footwear with mechanical foot-insertion assist

#46
20200245719
2020-08-06

Dynamic insoles

#47
20200170347
2020-06-04

Sockliner assemblies for articles of footwear

#48
20200170335
2020-06-04

Variable reflex footwear technology

#49
20200154794
2020-05-21

Smartphone-controlled active configuration of footwear, including with concavely rounded soles

#50
20200077738
2020-03-12

Sole for an article of footwear having regionally varied auxetic structures

#51
20200054094
2020-02-20

Fencing Shoe Product with Asymmetric Front Foot Shoe and Rear Foot Shoe

#52
20200037702
2020-02-06

Sole structure for an article of footwear with first and second midsole bodies

#53
20200037698
2020-02-06

WATERPROOF AND VAPOR-PERMEABLE SHOE AND MANUFACTURING METHOD THEREOF

#54
20200037697
2020-02-06

Waterproof and vapor-permeable shoe and manufacturing method thereof

#55
20200037696
2020-02-06

Flow Insole

#56
20200022448
2020-01-23

Information processing system, information processing method, and information processing program

#57
20190365023
2019-12-05

Waterproof boot with internal convection system

#58
20190350312
2019-11-21

System and method for embedding a tracking device in a footwear insole

#59
20190343227
2019-11-14

SOLE STRUCTURE AND AN ARTICLE OF FOOTWEAR

#60
20190343216
2019-11-14

SYSTEM AND METHOD FOR KNITTING A POLYMER REINFORCING FIBER FOOTWEAR UPPER

#61
20190313736
2019-10-17

Footbeds having varying compression characteristics

#62
20190298000
2019-10-03

Upper for an article of footwear with at least one strand for lasting

#63
20190289963
2019-09-26

UPPER STRUCTURE AND SHOE INCLUDING UPPER STRUCTURE

#64
20190174866
2019-06-13

Article of footwear with outsole bonded to cushioning component and method of manufacturing an article of footwear

#65
20190159529
2019-05-30

Smartphone-controlled active configuration of footwear, including with concavely rounded soles

#66
20190133247
2019-05-09

Athletic skate body

#67
20190125030
2019-05-02

Insole and outsole two-piece shoe

#68
20190117118
2019-04-25

Footwear having sensor system

#69
20190082779
2019-03-21

METHODS FOR DESIGNING A FOOT ORTHOTIC

#70
20190069634
2019-03-07

Three layer shoe construction with improved cushioning, breathability, flexibility and water displacement

#71
20190069633
2019-03-07

Three layer shoe construction with improved cushioning, breathability, and flexibility

#72
20190045880
2019-02-14

Method of forming a strobel

#73
20180368516
2018-12-27

Sole, particularly for shoes

#74
20180292794
2018-10-11

Sole or sole insert including concavely rounded portions and flexibility grooves

#75
20180271214
2018-09-27

Upper for an article of footwear and method of lasting the upper

#76
20180271181
2018-09-27

Smartphone-controlled active configuration of footwear, including with concavely rounded soles

#77
20180249782
2018-09-06

ASSEMBLABLE ONE-PIECE SANDAL

#78
20180206585
2018-07-26

Seamless 3D flat knit vamp and manufacturing method thereof

#79
20180199656
2018-07-19

Device for avoiding excessive burdens on the human foot while walking and operating method therefor

#80
20180153256
2018-06-07

INSOLE FOR A HIGH-HEELED SHOE

#81
20180125163
2018-05-10

System and method for embedding a tracking device in a footwear insole

#82
20180116334
2018-05-03

FOOTWEAR WITH MECHANICAL FOOT-INSERTION ASSIST

#83
20180098601
2018-04-12

Sole structure for an article of footwear with first and second midsole bodies

#84
20180077975
2018-03-22

Smartphone-controlled active configuration of footwear, including with concavely rounded soles

#85
20180055145
2018-03-01

Knitted shoe components and methods of making the same

#86
20180035755
2018-02-08

Soles for sports shoes

#87
20170360149
2017-12-21

Protective articles having a plurality of core members

#88
20170347750
2017-12-07

AN ARTICLE OF WEAR

#89
20170336870
2017-11-23

FOOT GESTURE-BASED CONTROL DEVICE

#90
20170308044
2017-10-26

Bladders, compartments, chambers or internal sipes controlled by a web-based cloud computer system using a smartphone device

#91
20170303635
2017-10-26

Selectively textured footbed

#92
20170280826
2017-10-05

Article of footwear with upper having member with support arm

#93
20170258178
2017-09-14

Sole for an article of footwear having regionally varied Auxetic structures

#94
20170215765
2017-08-03

Footwear having sensor system

#95
20170188660
2017-07-06

Shoe with waterproof and vapor-permeable sole and upper

#96
20170172251
2017-06-22

Shoe and Method of Manufacture

#97
20170164899
2017-06-15

DEVICES EMBEDDED SMART SHOES

#98
20170143076
2017-05-25

Upper for an article of footwear with at least one strand for lasting

#99
20170135441
2017-05-18

Multi-component sole structure having an auxetic configuration

#100
20170135415
2017-05-18

Bladders, compartments, chambers or internal sipes controlled by a computer system using big data techniques and a smartphone device

#101
20170112235
2017-04-27

Sole structure with holes arranged in auxetic configuration

#102
20170071284
2017-03-16

SHOE WITH A HEATED INSOLE

#103
20170055636
2017-03-02

Article of footwear with outsole bonded to cushioning component and method of manufacturing an article of footwear

#104
20170055635
2017-03-02

Sole for dispersing pressure of midfoot and metatarsal bones and shoe having same

#105
20170055632
2017-03-02

Article of footwear having a sole structure

#106
20170049187
2017-02-23

Knitted shoe components and methods of making the same

#107
20170038747
2017-02-09

Bladders, compartments, chambers or internal sipes controlled by a web-based cloud computer system using a smartphone device

#108
20160324256
2016-11-10

Shoe

#109
20160219973
2016-08-04

Flexible article of footwear and related method of manufacture

#110
20160213090
2016-07-28

VENTILATED FOOTWEAR CONSTRUCTION

#111
20160166007
2016-06-16

Braided article with internal midsole structure

#112
20160128426
2016-05-12

Soles for sports shoes

#113
20160073728
2016-03-17

Item of footwear with ventilation in the bottom region of the shaft, and air-permeable spacer structure which can be used for this purpose

#114
20160073727
2016-03-17

Item of footwear with ventilation in the bottom region of the shaft, and air-permeable spacer structure which can be used for this purpose

#115
20160037855
2016-02-11

Bladders, compartments, chambers or internal sipes controlled by a web-based cloud computer system using a smartphone device

#116
20160000187
2016-01-07

Automated strobel printing

#117
20150374070
2015-12-31

Strobel lasted injected footwear

#118
20150374064
2015-12-31

Waterproof and vapor-permeable shoe and manufacturing method thereof

#119
20150359295
2015-12-17

Recyclable shoe insole and related method

#120
20150305435
2015-10-29

HEATED SHOE INSOLE REMOTE CONTROL SYSTEMS

#121
20150289590
2015-10-15

Footwear System With Removable Inserts

#122
20150282556
2015-10-08

Heated insole with removable assembly

#123
20150272273
2015-10-01

ORTHOTIC INSOLE

#124
20150257475
2015-09-17

Article of footwear for athletic and recreational activities

#125
20150237954
2015-08-27

Shoe Structure

#126
20150230550
2015-08-20

Methods for Forming Seamless Conformable Booties and Waterproof Breathable Socks

#127
20150208757
2015-07-30

Proper posture high-heeled shoes

#128
20150196090
2015-07-16

Cast Sole Insert

#129
20150196089
2015-07-16

Shoe Insert

#130
20150189062
2015-07-02

Smartphone-controlled active configuration of footwear, including with one or more of chambers, compartments, bladders and internal sipes

#131
20150150338
2015-06-04

Heated insole with removable heating assembly

#132
20150150337
2015-06-04

Heated insole with removable and rechargeable battery

#133
20150150334
2015-06-04

Assembly for inclusion in a heated insole

#134
20150150333
2015-06-04

Shoe with a heated insole

#135
20150150332
2015-06-04

Battery for use with a heated insole

#136
20150143714
2015-05-28

Foot balancing device

#137
20150121721
2015-05-07

INSOLE IMPROVEMENT

#138
20150068070
2015-03-12

Footwear with Position Determination Unit

#139
20150068061
2015-03-12

Article of footwear with upper having member with support arm

#140
20150048942
2015-02-19

System and method for embedding a tracking device in a footwear insole

#141
20150033578
2015-02-05

EDUCATIONAL METHOD FOR IDENTIFYING RIGHT AND LEFT FOOTWEAR UTILIZING A SPLIT GRAPHIC AND CORRESPONDING SPLIT WORD FOOTWEAR INSERT

#142
20150027002
2015-01-29

PLATFORM SHOE, LAST AND INSOLE THEREFOR AND MANUFACTURE THEREOF

#143
20150013183
2015-01-15

Sets oforthotic inserts or other footwear inserts with progressive corrections and an internal sipe

#144
20150007450
2015-01-08

Apparatus and Related Methods of Increasing Foot Propulsion

#145
20150006119
2015-01-01

Insole design and fabricate system

#146
20150004429
2015-01-01

COPPER METAL ALLOY

#147
20150000159
2015-01-01

CUSHIONED ORTHOTIC

#148
20150000158
2015-01-01

Structure of Correction Shoe Pad for Medical Purposes

#149
20150000157
2015-01-01

MANUFACTURING METHOD OF INSOLE AND INSOLE MANUFACTURED BY THE METHOD

#150
20140373388
2014-12-25

FOOTWEAR DEVICE WITH UPPER SUPPORT

#151
20140367372
2014-12-18

Heated insole remote control systems

#152
20140366405
2014-12-18

Soles for sports shoes

#153
20140366404
2014-12-18

Soles for sports shoes

#154
20140366403
2014-12-18

Soles for sports shoes

#155
20140352172
2014-12-04

COMBINATION SHOE INSERT AND FLAT FOR A HEELED SHOE AND METHOD THEREFOR

#156
20140324396
2014-10-30

METHODS FOR DESIGNING A FOOT ORTHOTIC

#157
20140298682
2014-10-09

Footwear system with composite orthosis

#158
20140285311
2014-09-25

FOOTWEAR SOLES WITH ONE OR MORE CHAMBERS, COMPARTMENTS, BLADDERS OR INTERNAL SIPES CONTROLLED BY A SMARTPHONE

#159
20140283409
2014-09-25

Flow insole

#160
20140259754
2014-09-18

Removable shoe insert for corrective sizing

#161
20140259753
2014-09-18

MODIFIED THERMOPLASTIC ELASTOMERS FOR INCREASED COMPATIBILITY WITH SUPERCRITICAL FLUIDS

#162
20140259751
2014-09-18

DEVICE AND METHOD FOR VARYING INSOLE CAMBER

#163
20140250721
2014-09-11

Reversible, Moisture Absorbent Shoe Insert

#164
20140245546
2014-09-04

Method of lasting an article of footwear

#165
20140230273
2014-08-21

Fluid orthodic massaging shoe insoles

#166
20140182049
2014-07-03

Cushion items with flexible contouring

#167
20140157631
2014-06-12

Footwear impact distribution

#168
20140144049
2014-05-29

Shoe sole orthotic structures and computer controlled compartments

#169
20140141675
2014-05-22

Protective material

#170
20140123520
2014-05-08

HIGH-HEELED SHOE

#171
20140123409
2014-05-08

Method of lasting an article of footwear

#172
20140109439
2014-04-24

Rigid Shoe Insert with Raised Heel

#173
20140075779
2014-03-20

Sole structures and articles of footwear having plate moderated fluid-filled bladders and/or foam type impact force attenuation members

#174
20140075777
2014-03-20

Sole structures and articles of footwear having plate moderated fluid-filled bladders and/or foam type impact force attenuation members

#175
20140068878
2014-03-13

Automated strobel printing

#176
20140053428
2014-02-27

High heel foot wear pad and methods of making and attaching same

#177
20140033565
2014-02-06

AID, METHODS OF USING THE SAME, AND KITS THEREOF

#178
20140007456
2014-01-09

DYNAMIC SUPPORT FOR AN ARTICLE OF FOOT WEAR

#179
20130340281
2013-12-26

FLEXIBLE MIDFOOT ORTHOTIC SHOE INSERT

#180
20130318818
2013-12-05

DYNAMIC ARCH STABILIZATION AND REHABILITATIVE SHOE MIDSOLE/INSOLE DEVICE

#181
20130312280
2013-11-28

DYNAMIC ARCH STABILIZATION AND REHABILITATIVE SHOE INSOLE DEVICE

#182
20130291409
2013-11-07

Soles for sports shoes

#183
20130291398
2013-11-07

FOOTWEAR INSOLE FOR HIGH HEEL SHOES

#184
20130278436
2013-10-24

SMARTPHONE-CONTROLLED ACTIVE CONFIGURATION OF FOOTWEAR INCLUDING WITH CONCAVELY ROUNDED SOLES

#185
20130278435
2013-10-24

Smartphones app-controlled configuration of footwear soles using sensors in the smartphone and the soles

#186
20130263470
2013-10-10

Preform and device for cooperation with a lower limb member, apparatus and method for manufacturing the device

#187
20130199056
2013-08-08

INSOLE INCLUDING AN ACUPRESSURE MEMBER

#188
20130199055
2013-08-08

DEVICE FOR FOOT COMFORT

#189
20130172799
2013-07-04

Heel stabilization device

#190
20130145651
2013-06-13

Systems and methods for side snap footbeds

#191
20130133225
2013-05-30

Footwear assemblies having diagonally opposing reinforced insole portions and associated methods

#192
20130111781
2013-05-09

SUPPORTING BRACE FOR FOOTWEAR INSERTS

#193
20130081306
2013-04-04

INSOLE FOR A SHOE

#194
20130055598
2013-03-07

Direct Attach Waterproof Footwear

#195
20130047461
2013-02-28

FOOT BALANCE DEVICE

#196
20130025158
2013-01-31

Fulcrum athletic shoe

#197
20120324763
2012-12-27

Shoe sole orthotic structures and computer controlled compartments

#198
20120317845
2012-12-20

PRESSURE RELIEF SYSTEM FOR FOOTWEAR

#199
20120317843
2012-12-20

Shoe sole system providing a negative ion environment

#200
20120304489
2012-12-06

FOOTWEAR PROMOTING NATURAL MOTION

#201
20120291563
2012-11-22

Footwear having sensor system

#202
20120272548
2012-11-01

Flexible forefoot protection for insoles and shoes

#203
20120266493
2012-10-25

Footwear with Position Determination Unit

#204
20120216430
2012-08-30

SHOE SOLE COMPRISING A FOOTBED

#205
20120210605
2012-08-23

Foot support

#206
20120210602
2012-08-23

Massaging footwear

#207
20120192452
2012-08-02

Flow insole

#208
20120159811
2012-06-28

Heated insole remote control systems

#209
20120116326
2012-05-10

Methods, apparatuses and systems for conditioning skin

#210
20120096745
2012-04-26

SHOE INSOLE FOR METATARSAL RELIEF

#211
20120085001
2012-04-12

FOOT ORTHOTIC DEVICES

#212
20120053269
2012-03-01

Thermoplastic reinforcement materials

#213
20120030969
2012-02-09

INSOLE FOR A SHOE HAVING A MOVABLE MASSAGING MEMBER

#214
20120023686
2012-02-02

Method of lasting an article of footwear

#215
20110314697
2011-12-29

ANTI-SLIP FABRIC AND INSOLE USING THE SAME

#216
20110277354
2011-11-17

CUSHIONED ORTHOTIC

#217
20110277353
2011-11-17

CUSHIONED ORTHOTIC

#218
20110258885
2011-10-27

Shoe assembly for strength training and fitness exercise

#219
20110232128
2011-09-29

Shoe Soles With Damping Foot Pads

#220
20110214312
2011-09-08

Foldable footwear

#221
20110167677
2011-07-14

Item of footwear with ventilation in the bottom region of the shaft, and air-permeable spacer structure which can be used for this purpose

#222
20110162239
2011-07-07

Shoe Comprising A Ventilation In the Bottom Zone Of the Upper And Air-Permeable Spacing Structure Usable Therefor

#223
20110162238
2011-07-07

Systems for designing a foot orthotic

#224
20110056097
2011-03-10

Shoe sole orthotic structures and computer controlled compartments

#225
20110047826
2011-03-03

Girthwise adjustable shoe construction

#226
20100269244
2010-10-28

Medially or laterally textured footbed

#227
20100146816
2010-06-17

FOOTWEAR INSOLE FOR HIGH HEEL SHOES

#228
20100071234
2010-03-25

Insole

#229
20090276933
2009-11-12

Protective articles having a plurality of core members

#230
20090183390
2009-07-23

Foot orthotic devices

#231
20090183389
2009-07-23

Systems for designing a foot orthotic

#232
20090183388
2009-07-23

Methods for designing a foot orthotic

#233
20090126229
2009-05-21

Toe protection sandal

#234
20090094859
2009-04-16

FUNCTIONAL FOOTWEAR

#235
20090019727
2009-01-22

Anti-perforation insole for footwear

#236
20080282581
2008-11-20

Insole having puncture-resistant properties for safety footwear

#237
20080229612
2008-09-25

Human wearable laminar structure, insole made therefrom and methods for their manufacture

#238
20080222919
2008-09-18

Accident Prevention Insole

#239
20080196278
2008-08-21

Shoe with breathable sole

#240
20080115385
2008-05-22

ABSORBENT FOOTWEAR LINER

#241
20080073229
2008-03-27

Shoe insole and methods for identification

#242
20080072461
2008-03-27

Cushioned orthotic

#243
20080072453
2008-03-27

Therapeutic footwear and method of using same

#244
20080005931
2008-01-10

Shoe sole orthotic structures and computer controlled compartments

#245
20070271820
2007-11-29

Medially or laterally textured footbeds for controlling lower extremity kinematics and kinetics

#246
20070271817
2007-11-29

Shoe sole orthotic structures and computer controlled compartments

#247
20070186444
2007-08-16

Waterproof and breathable insole

#248
20070124960
2007-06-07

Multilayered footwear

#249
20070124959
2007-06-07

Insole

#250
20060016099
2006-01-26

Shoe with a composite insole

#251
20050262736
2005-12-01

Footwear comfort componentry

#252
20050262733
2005-12-01

Footwear having a heel and heel breast

#253
20050217142
2005-10-06

Shoe sole orthotic structures and computer controlled compartments

#254
20050108898
2005-05-26

Grid midsole insert

#255
20050097775
2005-05-12

Custom shoe and method

#256
20050000114
2005-01-06

Tufted foam insole and tufted footwear

#257
17592931
2024-11-05

Article of footwear

#258
17209066
2024-12-17

Flexible forefoot protection for insoles and shoes

#259
14976035
2016-11-08

Shoe and method of manufacture

#260
14543883
2017-04-04

Systems and methods for adjusting variable geometry, height, weight distribution dynamics in footwear devices and equipment

#261
14458548
2015-03-24

Footwear with dynamic arch system

#262
14285118
2014-10-28

Heated insole with removable and rechargeable battery

#263
14248861
2014-10-28

Heated insole with removable and rechargeable battery

#264
13916100
2016-03-08

Footwear system