K-Swiss joins FEATURE to introduce the newest iteration of the ‘Si-18 International.’ First introduced in 1989, the Si-18 International is an iconic representation of K-Swiss’ dedication to honoring athletic heritage while optimizing performance for future design. The FEATURE x K-Swiss collab sports a Marshmallow leather upper with Pistachio Shell leather overlays in the form of the brands signature D-ring stripes. FEATURE x K-Swiss branding is debossed on the lateral side of the sneaker while Marshmallow and black leather detailing run up along the collar and around the heel. Foam cushioning and a rubber outsole prioritize comfort, finishing the look.
- Leather upper
- Leather overlays
- D-ring eyelets
- Debossed branding
- Rubber outsole
Size Guide
| US SIZE | EUR SIZE | Length (cm) |
| 2C | 17 | 9.5 |
| 3C | 18.5 | 10.5 |
| 4C | 19.5 | 11.5 |
| 4.5C | 20 | 12 |
| 5C | 21 | 12.5 |
| 5.5C | 21.5 | 12.75 |
| 6C | 22 | 13 |
| 6.5C | 23 | 13.5 |
| 7C | 23.5 | 14 |
| 7.5C | 24 | 14.5 |
| 8C | 25 | 15 |
| 8.5C | 25.5 | 15.25 |
| 9C | 26 | 15.5 |
| 9.5C | 27 | 16 |
| 10C | 27.5 | 16.5 |
| 10.5C | 28 | 17 |
KIDS 4-8 YEARS OLD
| US SIZE | EUR SIZE | Length (cm) |
| 10.5C | 28 | 17 |
| 11C | 28.5 | 17.5 |
| 11.5C | 29 | 17.75 |
| 12C | 29.5 | 18 |
| 12.5C | 30 | 18.5 |
| 13C | 31 | 19 |
| 13.C | 32 | 19.5 |
| 1Y | 32.5 | 20 |
| 1.5Y | 33 | 20.25 |
| 2Y | 33.5 | 20.5 |
| 2.5Y | 34 | 21 |
| 3Y | 35 | 21.5 |
| US SIZE | EUR SIZE | Length (cm) |
| 1Y | 32.5 | 20 |
| 1.5Y | 33 | 20.25 |
| 2Y | 33.5 | 20.5 |
| 2.5Y | 34 | 21 |
| 3Y | 35 | 21.5 |
| 3.5Y | 31 | 19 |
| 3.5Y | 35.5 | 22 |
| 4Y | 32.5 | 20 |
| 1.5Y | 36 | 22.5 |
| 4.5Y | 37 | 23 |
| 5Y | 37,5 | 23.5 |
| 5.5Y | 38 | 24 |
| 6Y | 39 | 24.5 |
| 6.5Y | 39.5 | 25 |
| 7Y | 40 | 25.5 |















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