# US 2019/0316281 A1 · Footwear Article Including Circular Knit Structures

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- Number: US 2019/0316281 A1
- Document ID: US20190316281A1
- Status: Published application
- Kind: A1
- Application number: 16/394,575
- Filed: 2019-04-25
- Published: 2019-10-17
- Earliest claimed: 2016-12-16
- Assignees: The North Face Apparel Corp.
- Applicants: The North Face Apparel Corp.
- Inventors: John Ly
- Web page: https://patentgrep.com/patent/US20190316281A1

## CPC

- D04B 1/26: stockings
- A43B 1/04: braided, knotted, knitted or crocheted
- A43B 23/0235: {Different layers of different material}
- A43B 23/042: {Uppers made of one piece (one piece slippers A43B3/106; one piece sandals A43B3/124)}
- D04B 1/02: Pile fabrics or articles having similar surface features
- D04B 1/108: {Gussets, e.g. pouches or heel or toe portions}
- D04B 1/123: {with laid-in unlooped yarn, e.g. fleece fabrics (with elastic weft yarn D04B1/18)}
- D04B 7/32: tubular goods
- D04B 9/46: stockings, or portions thereof
- D10B 2403/023: Fabric with at least two, predominantly unlinked, knitted or woven plies interlaced with each other at spaced locations or linked to a common internal co-extensive yarn system
- D10B 2501/043: Footwear
- D04B: KNITTING
- A43B: CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- D10B: INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES

## Abstract

An aspect of the disclosure is a footwear article. The footwear article includes a double layer knitted upper having a foot bed, an upper portion continuous with the foot bed, an ankle opening, and an inner void for receiving a foot of a wearer. The double layer knitted upper has an outer knit layer defining an exterior surface of the double layer knitted upper. The double layer knitted upper also has an inner knit layer monolithically knit to the outer knit layer. The inner knit layer has a plurality of inner knit regions that spatially correspond to the plurality of outer knit regions of the outer knit layer. The outer knit layer and the inner knit layer substantially define the foot bed and the upper portion of the double layer knitted upper.

## Claims

### Claim 1

A footwear article, comprising:
an outer circular-knit layer defining an exterior surface, the outer circular-knit layer having a plurality of outer knit regions; and
an inner circular-knit layer coupled to the outer circular-knit layer, the inner circular-knit layer configured to be disposed adjacent at least a portion of the outer circular-knit layer when folded into the outer circular-knit layer thereby forming at least a portion of an inner void,
wherein the inner circular-knit layer has a plurality of inner knit regions each having a different knit construction that spatially correspond to one or more of a portion of a foot or at least one of the plurality of outer knit regions of the outer circular-knit layer when folded into the outer circular-knit layer.

### Claim 2 (depends on 1)

The footwear article of claim 1, wherein the inner circular-knit layer covers only a portion of the outer circular-knit layer when folded into the outer circular-knit layer.

### Claim 3 (depends on 1)

The footwear article of claim 1, further comprising a mid-sole positioned between the outer circular-knit layer and the inner circular-knit layer.

### Claim 4 (depends on 1)

The footwear article of claim 1, wherein the outer circular-knit layer and the inner circular-knit layer each define a tubular knitted shape.

### Claim 5 (depends on 1)

The footwear article of claim 1, wherein the inner circular-knit layer is monolithically knit to the outer circular-knit layer.

### Claim 6 (depends on 1)

The footwear article of claim 1, wherein one or more of the inner knit layer and the outer knit layer comprises a toe portion and wherein the toe portion has a cushioned knit construction.

### Claim 7 (depends on 1)

A method of making the footwear article of claim 1.

### Claim 8

A footwear article, comprising:
an outer knit layer defining an exterior; and
an inner knit layer coupled to the outer knit layer, the inner knit layer configured to be disposed adjacent at least a portion of the outer knit layer when folded into the outer knit layer thereby forming at least a portion of an inner void,
wherein one or more of the inner knit layer or the outer knit layer has a plurality of knit regions each having a different knit construction that spatially correspond at least one portion of a foot of a wearer.

### Claim 9 (depends on 8)

The footwear article of claim 8, wherein the inner knit layer covers only a portion of the outer knit layer when folded into the outer knit layer.

### Claim 10 (depends on 8)

The footwear article of claim 8, further comprising a mid-sole positioned between the outer knit layer and the inner knit layer along the foot bed.

### Claim 11 (depends on 8)

The footwear article of claim 8, wherein the outer knit layer and the inner knit layer each define a tubular knitted shape.

### Claim 12 (depends on 8)

The footwear article of claim 8, wherein the inner knit layer is monolithically knit to the outer knit layer.

### Claim 13 (depends on 8)

The footwear article of claim 8, wherein one or more of the inner knit layer and the outer knit layer comprises a toe portion and wherein the toe portion has a cushioned knit construction.

### Claim 14 (depends on 8)

The footwear article of claim 8, further comprising a sole attached to one or more of the inner knit layer or the outer knit layer.

### Claim 15 (depends on 8)

The footwear article of claim 8, wherein one or more of the inner knit layer or the outer knit layer is circular knit.

### Claim 16 (depends on 8)

A method of making the footwear article of claim 8.

### Claim 17

A footwear article, comprising:
a first knit layer; and
a second knit layer coupled to the first knit layer, the second knit layer configured to be disposed adjacent at least a portion of the first knit layer when folded into or around the first knit layer,
wherein one or more of the second knit layer or the first knit layer has a plurality of knit regions each having a different knit construction that spatially correspond at least one portion of a foot of a wearer.

### Claim 18 (depends on 17)

The footwear article of claim 17, further comprising a sole attached to at least a foot bed of one or more of the first knit layer or the second knit layer.

### Claim 19 (depends on 17)

The footwear article of claim 17, wherein one or more of the first knit layer or the second knit layer is circular knit.

### Claim 20 (depends on 17)

A method of making the footwear article of claim 17.
