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Designed to help you reach your new fastest time. Tailored for an increased range of motion, the MARATHON SINGLET is created with lightweight performance materials to help keep you cool and dry. At least 50% of the garment's main material is made with recycled content to reduce waste and carbon emissions.
| 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 |

