Learn moreMove your mind with the GEL-KAYANO™ 31 shoe’s adaptive stability and premium comfort. The 4D GUIDANCE SYSTEM™ helps provide adaptive stability. This helps you experience a more supportive and balanced stride during your distance training.
Its midsole implements FF BLAST™ PLUS ECO cushioning and PureGEL™ technology. These features make your distance training feel surprisingly smooth and comfortable.
| US Men | UK Men | US Women | UK Women | EUR | JPN(CM) |
| 4 | 3 | 5.5 | 3.5 | 36 | 22.5 |
| 4.5 | 3.5 | 6 | 4 | 37 | 23 |
| 5 | 4 | 6.5 | 4 1/2 | 37.5 | 23.5 |
| 5.5 | 4.5 | 7 | 5 | 38 | 24 |
| 6 | 5 | 7.5 | 5 1/2 | 39 | 24.5 |
| 6.5 | 5.5 | 8 | 6 | 39.5 | 25 |
| 7 | 6 | 8.5 | 6.5 | 40 | |
| 7.5 | 6.5 | 9 | 7 | 40.5 | 25.5 |
| 8 | 7 | 9.5 | 7 1/2 | 41.5 | 26 |
| 8.5 | 7.5 | 10 | 8 | 42 | 26.5 |
| 9 | 8 | 42.5 | 27 | ||
| 9.5 | 8.5 | 43.5 | 27.5 | ||
| 10 | 9 | 44 | 28 | ||
| 10.5 | 9.5 | 44.5 | |||
| 11 | 10 | 45 | 28.5 | ||
| 11.5 | 10.5 | 46 | 29 | ||
| 12 | 11 | 46.5 | 29.5 |
| TYPE | US |
| Toddler (TS): | K4 - K9 |
| Pre-School (PS): | K10 - US 3 |
| Grade School (GS): | US 1 - US 7 |
| US | EUR | JPN (CM) |
| K4 | 19.5 | 12 |
| K5 | 21 | 13 |
| K6 | 22.5 | 13.5 |
| K7 | 23.5 | 14.5 |
| K8 | 25 | 15 |
| K9 | 26 | 16 |
| K10 | 27 | 17 |
| K11 | 28.5 | 17.5 |
| K12 | 30 | 18.5 |
| K13 | 31.5 | 19.5 |
| 1 | 32.5 | 20 |
| 2 | 33.5 | 21 |
| 3 | 35 | 22 |
| 4.5 | 37 | 23 |
| 5 | 37.5 | 23.5 |
| 6 | 39 | 24.5 |
| 7 | 40 | 25.25 |
| Product Size | Chest | Waist | Hip |
|---|---|---|---|
| XS | 33″ – 36″ | 27″ – 30″ | 33″ – 36″ |
| S | 36″ – 39″ | 30″ – 33″ | 36″ – 39″ |
| M | 39″ – 41″ | 33″ – 35″ | 39″ – 41″ |
| L | 41″ – 43″ | 36″ – 38″ | 41″ – 43″ |
| XL | 43″ – 46″ | 38″ – 42″ | 43″ – 46″ |
| XXL | 46″ – 49″ | 42″ – 45″ | 46″ – 49″ |
| Product Size | Chest | Waist | Hip | Regular inseam | Long (Tall) Inseam |
|---|---|---|---|---|---|
| XS | 31-33 | 24-26 | 34-36 | 30 | 31½ |
| S | 33-35 | 26-28 | 36-38 | 30½ | 32 |
| M | 35-37 | 28-30 | 38-40 | 31 | 32½ |
| L | 37-39 | 30-32 | 40-42 | 31½ | 33 |
| XL | 39-42 | 32-35 | 42-44 | 32 | 33½ |
| Age | US | Height (cm) | Chest (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|---|---|
| 5 - 6 | XS | 115 - 125 | 57 - 63 | 51 - 57 | 62 - 70 |
| 7 - 8 | S | 125 - 135 | 61 - 67 | 53 - 59 | 66 - 74 |
| 9 - 10 | M | 135 - 145 | 65 - 72 | 54 - 62 | 70 - 78 |
| 11 - 12 | L | 145 - 155 | 70 - 78 | 58 - 66 | 76 - 84 |
| 13 - 14 | XL | 155 - 165 | 76 - 84 | 62 - 70 | 82 - 90 |
| Age | US | Height (cm) | Chest (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|---|---|
| 5 - 6 | XS | 115 - 125 | 57 - 63 | 49 - 55 | 62 - 70 |
| 7 - 8 | S | 125 - 135 | 61 - 67 | 51 - 57 | 66 - 74 |
| 9 - 10 | M | 135 - 145 | 64 - 72 | 53 - 59 | 70 - 78 |
| 11 - 12 | L | 145 - 155 | 70 - 78 | 56 - 63 | 76 - 84 |
| 13 - 14 | XL | 155 - 165 | 76 - 84 | 58 - 66 | 82 - 90 |
| Product Size | Chest | Waist | Hip |
|---|---|---|---|
| XS/S | 32″ – 35″ | 25″ – 28″ | 35″ – 38″ |
| M/L | 36″ – 39″ | 28″ – 31″ | 39″ – 42″ |
| Product | XS | S | M | L | XL |
|---|---|---|---|---|---|
| ASICS Lock Zip Bra | 32C, 32D | 34C, 34D | 36C, 36D | 38C, 38D | 40C, 40D |
| ASICS Adjust Bra | 32B, 32C | 34B, 34C | 36B, 36C | 38B, 38C | 40B, 40C |
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