Breathable upper
Airflow-focused construction helps keep feet comfortable.
Designed for everyday movement
Lightweight comfort. Built to move.
Ja 3 brings a textured low-top basketball silhouette in four distinct colourways: Showstopper, Sail, Jelly Bean and Cobalt Bliss. A lightweight upper, full-length Hybrid ZoomX foam and a patterned rubber outsole support quick changes of direction on court.
- Four colour options, each matched to its own gallery
- Full-length Hybrid ZoomX cushioning
- Textured upper and padded collar
- Patterned rubber outsole
- US men's sizes 3–12 (EU 35–46)
Breathable feelComfort for everyday movement
Flexible supportMoves naturally with every step
All-day comfortMade for active daily wear
Flexible feel
A lightweight profile supports natural daily movement.
Versatile style
Easy to pair with training and casual essentials.
Shoe guide
Fit & sizing
Choose your usual athletic-shoe size. If you are between sizes, size up for a more relaxed fit.
US men’s sizingSizes 3–15
Match your foot length to the closest size
| US Men | EU | Foot length |
|---|---|---|
| 3 | 35 | 21.2 cm |
| 3.5 | 35.5 | 21.6 cm |
| 4 | 36 | 22.0 cm |
| 4.5 | 36.5 | 22.4 cm |
| 5 | 37.5 | 22.9 cm |
| 5.5 | 38 | 23.3 cm |
| 6 | 38.5 | 23.7 cm |
| 6.5 | 39 | 24.1 cm |
| 7 | 40 | 24.6 cm |
| 7.5 | 40.5 | 24.9 cm |
| 8 | 41 | 25.4 cm |
| 8.5 | 42 | 25.9 cm |
| 9 | 42.5 | 26.2 cm |
| 9.5 | 43 | 26.7 cm |
| 10 | 44 | 27.1 cm |
| 10.5 | 44.5 | 27.5 cm |
| 11 | 45 | 27.9 cm |
| 11.5 | 45.5 | 28.4 cm |
| 12 | 46 | 28.7 cm |
| 12.5 | 47 | 29.2 cm |
| 13 | 47.5 | 29.7 cm |
| 13.5 | 48 | 30.0 cm |
| 14 | 48.5 | 30.5 cm |
| 14.5 | 49 | 31.0 cm |
| 15 | 49.5 | 31.3 cm |
Measure both feet in the evening and use the longer measurement. If you are between sizes, choose the next size up.
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