| US men's size | UK | EUR | JPN(cm) | CHN(mm) | Conversion US women's size |
|---|---|---|---|---|---|
| 3 | 2 | 35 | |||
| 3.5 | 2.5 | 35.5 | |||
| 4 | 3 | 36 | |||
| 4.5 | 3.5 | 37 | 22.5 | 225 | |
| 5 | 4 | 37.5 | 23 | 230 | 6.5 |
| 5.5 | 4.5 | 38 | 23.5 | 235 | 7 |
| 6 | 5 | 38.5 | 24 | 240 | 7.5 |
| 6.5 | 5.5 | 39 | 24.5 | 245 | 8 |
| 7 | 6 | 40 | 25 | 250 | 8.5 |
| 7.5 | 6.5 | 40.5 | 25.5 | 255 | 9 |
| 8 | 7 | 41 | 26 | 260 | 9.5 |
| 8.5 | 7.5 | 42 | 26.5 | 265 | 10 |
| 9 | 8 | 42.5 | 27 | 270 | 10.5 |
| 9.5 | 8.5 | 43 | 27.5 | 275 | 11 |
| 10 | 9 | 44 | 28 | 280 | 11.5 |
| 10.5 | 9.5 | 44.5 | 28.5 | 285 | 12 |
| 11 | 10 | 45 | 29 | 290 | 12.5 |
| 11.5 | 10.5 | 46 | 29.5 | 295 | 13 |
| 12 | 11 | 46.5 | 30 | 300 | 13.5 |
| 12.5 | 11.5 | 47 | 30.5 | 305 | 14.5 |
| 13 | 12 | 48 | 31 | 310 |
| US men's size | UK | EUR | JPN(cm) | CHN(mm) | Conversion US women's size |
|---|---|---|---|---|---|
| 3 | 2 | 35 | |||
| 3.5 | 2.5 | 35.5 | |||
| 4 | 3 | 36 | |||
| 4.5 | 3.5 | 37 | 22.5 | 225 | |
| 5 | 4 | 37.5 | 23 | 230 | 6.5 |
| 5.5 | 4.5 | 38 | 23.5 | 235 | 7 |
| 6 | 5 | 38.5 | 24 | 240 | 7.5 |
| 6.5 | 5.5 | 39 | 24.5 | 245 | 8 |
| 7 | 6 | 40 | 25 | 250 | 8.5 |
| 7.5 | 6.5 | 40.5 | 25.5 | 255 | 9 |
| 8 | 7 | 41 | 26 | 260 | 9.5 |
| 8.5 | 7.5 | 42 | 26.5 | 265 | 10 |
| 9 | 8 | 42.5 | 27 | 270 | 10.5 |
| 9.5 | 8.5 | 43 | 27.5 | 275 | 11 |
| 10 | 9 | 44 | 28 | 280 | 11.5 |
| 10.5 | 9.5 | 44.5 | 28.5 | 285 | 12 |
| 11 | 10 | 45 | 29 | 290 | 12.5 |
| 11.5 | 10.5 | 46 | 29.5 | 295 | 13 |
| 12 | 11 | 46.5 | 30 | 300 | 13.5 |
| 12.5 | 11.5 | 47 | 30.5 | 305 | 14.5 |
| 13 | 12 | 48 | 31 | 310 |
The Endorphin Speed 2 running shoe is back and better than ever. With ultra-lightweight PWRRUN PB cushioning for incredible rebound and energy return and a full-length reactive nylon plate that offers an advantage for daily speed workouts and race-day performance, the Endorphin Speed 2 is a natural winner.
It features SPEEDROLL technology that allows you to run faster, without straining, as it propels you forward effortlessly.
The technical mesh upper, made from recycled materials, is lightweight and breathable.
FORMFIT technology conforms to the shape of the foot for a snug, comfortable fit, while non-slip laces provide a secure fit. In addition, the XT-900 outsole provides traction and durability due to its highly resistant abrasion zones.
Shoe Category: Neutral.
Surface: Road, Track.
Water resistant: No.
Waterproof: No.
Drop: 8 mm.
Heel height: 35.5 mm.
Forefoot height: 27.5 mm.
Weight: 225 g (7.9 oz).
