The One Star, built to skate. With an elevated design, the One Star Pro sneaker provides ultimate durability and impact protection, with a rubber-backed suede and CX Foam insole for impact absorption.
Sizes displayed above are unisex sizes.
| Men's (UNISEX) | Women's | Inches | Centimeters |
| 4 | 6 | 8.833 | 22.4 |
| 4.5 | 6.5 | 9 | 22.8 |
| 5 | 7 | 9.14 | 23.2 |
| 5.5 | 7.5 | 9.25 | 23.6 |
| 6 | 8 | 9.5 | 24.1 |
| 6.5 | 8.5 | 9.66 | 24.5 |
| 7 | 9 | 9.8 | 24.9 |
| 7.5 | 9.5 | 10 | 25.3 |
| 8 | 10 | 10.16 | 25.8 |
| 8.5 | 10.5 | 10.33 | 26.2 |
| 9 | 11 | 10.5 | 26.6 |
| 9.5 | 11.5 | 10.625 | 27 |
| 10 | 12 | 10.8 | 27.4 |
| 10.5 | 12.5 | 11 | 27.9 |
| 11 | 13 | 11.14 | 28.3 |
| 11.5 | 13.5 | 11.28 | 28.7 |
| 12 | 14 | 11.66 | 29.1 |
| 13 | 15 | 12 | 30.4 |
| 14 | 16 | 12.28 | 31.2 |
Children's Shoe Size Chart : Big Kid
| US Size | Euro Size | Inches | Centimeters |
| 4 | 36 | 9 | 22.8 |
| 5 | 37.5 | 9.28 | 23.6 |
| 6 | 38.5 | 9.6 | 24.5 |
Children's Shoe Size Chart : Little Kid
| US Size | Euro Size | Inches | Centimeters |
| 11 | 28 | 7 | 17.7 |
| 11.5 | 28.5 | 7.16 | 18.2 |
| 12 | 29 | 7.3 | 18.6 |
| 12.5 | 30 | 7.5 | 19 |
| 13 | 31 | 7.6 | 19.4 |
| 13.5 | 31.5 | 7.8 | 19.8 |
| 1 | 32 | 8 | 20.3 |
| 1.5 | 33 | 8.14 | 20.7 |
| 2 | 33.5 | 8.3 | 21.1 |
| 2.5 | 34 | 8.5 | 21.5 |
| 3 | 35 | 8.6 | 22 |
Children's Shoe Size Chart : Toddler
| US Size | Euro Size | Inches | Centimeters |
| 5T | 21 | 5 | 12.7 |
| 6T | 22 | 5.3 | 13.5 |
| 7T | 23 | 5.6 | 14.4 |
| 8T | 24 | 6 | 15.2 |
| 9T | 25 | 6.28 | 16 |
| 10T | 26 | 6.6 | 16.9 |
| 10.5T | 27 | 6.8 | 17.3 |
Children's Shoe Size Chart : Baby
| US Size | Euro Size | Inches | Centimeters |
| 1 | 17 | 3.6 | 9.3 |
| 2T | 18 | 4 | 10.1 |
| 3T | 19 | 4.3 | 11 |
| 4T | 20 | 4.6 | 11.8 |
