Your young athlete can be as quick as his favorite players in the adidas® Crazy Fast youth basketball shoe! This NBA inspired shoe features a synthetic leather upper for lightness and durability; a welded SPRINTWEB® frame offers support. The outsole is made with non-marking rubber and boasts an integrated sensor cavity for miCoach® capability.
| Men's Shoe Size | Women's Shoe Size | European | UK | Japanese |
| 4 | 5.5 | 36 | 3.5 | 23 |
| 4.5 | 6 | 36.5 | 4 | 23.5 |
| 5 | 6.5 | 37.5 | 4.5 | 23.5 |
| 5.5 | 7 | 38 | 5 | 24 |
| 6 | 7.5 | 38.5 | 5.5 | 24 |
| 6.5 | 8 | 39 | 6 | 24.5 |
| 7 | 8.5 | 40 | 6 | 25 |
| 7.5 | 9 | 40.5 | 6.5 | 25.5 |
| 8 | 9.5 | 41 | 7 | 26 |
| 8.5 | 10 | 42 | 7.5 | 26.5 |
| 9 | 10.5 | 42.5 | 8 | 27 |
| 9.5 | 11 | 43 | 8.5 | 27.5 |
| 10 | 11.5 | 44 | 9 | 28 |
| 10.5 | 12 | 44.5 | 9.5 | 28.5 |
| 11 | 12.5 | 45 | 10 | 29 |
| 11.5 | 13 | 45.5 | 10.5 | 29.5 |
| 12 | 13.5 | 46 | 11 | 30 |
| 12.5 | 14 | 47 | 11.5 | 30.5 |
| 13 | 14.5 | 47.5 | 12 | 31 |
| 13.5 | 15 | 48 | 12.5 | 31.5 |
| 14 | 15.5 | 48.5 | 13 | 32 |
| 15 | 16 | 49.5 | 14 | 33 |
| 16 | N/A | 50.5 | 15 | 34 |
| 17 | N/A | 51.5 | 16 | 35 |
| 18 | N/A | 52.5 | 17 | 36 |
| Men's Shoe Size | Women's Shoe Size | European | UK | CM |
| 4 | 5.5 | 36 | 3.5 | 23 |
| 4.5 | 6 | 36.5 | 4 | 23.5 |
| 5 | 6.5 | 37.5 | 4.5 | 23.5 |
| 5.5 | 7 | 38 | 5 | 24 |
| 6 | 7.5 | 38.5 | 5.5 | 24 |
| 6.5 | 8 | 39 | 6 | 24.5 |
| 7 | 8.5 | 40 | 6 | 25 |
| 7.5 | 9 | 40.5 | 6.5 | 25.5 |
| 8 | 9.5 | 41 | 7 | 26 |
| 8.5 | 10 | 42 | 7.5 | 26.5 |
| 9 | 10.5 | 42.5 | 8 | 27 |
| 9.5 | 11 | 43 | 8.5 | 27.5 |
| 10 | 11.5 | 44 | 9 | 28 |
| 10.5 | 12 | 44.5 | 9.5 | 28.5 |
| 11 | N/A | 45 | 10 | 29 |
| 11.5 | N/A | 45.5 | 10.5 | 29.5 |
| 12 | N/A | 46 | 11 | 30 |
| 12.5 | N/A | 47 | 11.5 | 30.5 |
| 13 | N/A | 47.5 | 12 | 31 |
| 13.5 | N/A | 48 | 12.5 | 31.5 |
| 14 | N/A | 48.5 | 13 | 32 |
| 14.5 | N/A | 49 | 13.5 | 32.5 |
| 15 | N/A | 49.5 | 14 | 33 |
| 15.5 | N/A | 50 | 14.5 | 33.5 |
| 16 | N/A | 50.5 | 15 | 34 |
| 16.5 | N/A | 51 | 15.5 | 34.5 |
| 17 | N/A | 51.5 | 16 | 35 |
| 17.5 | N/A | 52 | 16.5 | 35.5 |
| 18 | N/A | 52.5 | 17 | 36 |
| 19 | N/A | 53.5 | 18 | 37 |
| 20 | N/A | 54.5 | 19 | 38 |
| Men's Shoe Size | Women's Shoe Size | European | UK | Japanese |
| 3 | 4.5 | 35 | 2.5 | 21 |
| 3.5 | 5 | 35 1/3 | 3 | 21.5 |
| 4 | 5.5 | 36 | 3.5 | 22 |
| 4.5 | 6 | 36 2/3 | 4 | 22.5 |
| 5 | 6.5 | 37 1/3 | 4.5 | 23 |
| 5.5 | 7 | 38 | 5 | 23.5 |
| 6 | 7.5 | 38 2/3 | 5.5 | 24 |
| 6.5 | 8 | 39 1/3 | 6 | 24.5 |
| 7 | 8.5 | 40 | 6.5 | 25 |
| 7.5 | 9 | 40 2/3 | 7 | 25.5 |
| 8 | 9.5 | 41 1/3 | 7.5 | 26 |
| 8.5 | 10 | 42 | 8 | 26.5 |
| 9 | 10.5 | 42 2/3 | 8.5 | 27 |
| 9.5 | 11 | 43 1/3 | 9 | 27.5 |
| 10 | 11.5 | 44 | 9.5 | 28 |
| 10.5 | 12 | 44 2/3 | 10 | 28.5 |
| 11 | 12.5 | 45 1/3 | 10.5 | 29 |
| 11.5 | 13 | 46 | 11 | 29.5 |
| 12 | 13.5 | 46 2/3 | 11.5 | 30 |
| 12.5 | 14 | 47 1/3 | 12 | 30.5 |
| 13 | N/A | 48 | 12.5 | 31 |
| 13.5 | N/A | 48 2/3 | 13 | 31.5 |
| 14 | N/A | 49 1/3 | 13.5 | 32 |
| 14.5 | N/A | 50 | 14 | 32.5 |
| 15 | N/A | 50 2/3 | 14.5 | 33 |
| 16 | N/A | 51 1/3 | 15 | 33.5 |
| 17 | N/A | 52 2/3 | 16 | 34.5 |
| 18 | N/A | 53 1/3 | 17 | 35.5 |
| 19 | N/A | 54 2/3 | 18 | 36.5 |
| 20 | N/A | 55 2/3 | 19 | 37.5 |
| Men's Shoe Size | Women's Shoe Size | European | UK | CM |
| 6 | 7.5 | 37.5 | 5 | 24 |
| 6.5 | 8 | 38.5 | 5.5 | 24.5 |
| 7 | 8.5 | 39 | 6 | 25 |
| 7.5 | 9 | 40 | 6.5 | 25.5 |
| 8 | 9.5 | 40.5 | 7 | 26 |
| 8.5 | 10 | 41 | 7.5 | 26.5 |
| 9 | 10.5 | 42 | 8 | 27 |
| 9.5 | 11 | 42.5 | 8.5 | 27.5 |
| 10 | 11.5 | 43 | 9 | 28 |
| 10.5 | 12 | 44 | 9.5 | 28.5 |
| 11 | N/A | 44.5 | 10 | 29 |
| 11.5 | N/A | 45 | 10.5 | 29.5 |
| 12 | N/A | 45.5 | 11 | 30 |
| 12.5 | N/A | 46 | 11.5 | 30.5 |
| 13 | N/A | 47 | 12 | 31 |
| 13.5 | N/A | 48 | 12.5 | 31.5 |
| 14 | N/A | 48.5 | 13 | 32 |
| 15 | N/A | 50 | 14 | 33 |
| 16 | N/A | 52 | 15 | 34 |
| 17 | N/A | 53.5 | 16 | 35 |
| 18 | N/A | 55 | 17 | 36 |
| Men's Shoe Size | Women's Shoe Size | European | UK | CM |
| 3 | 5 | 35 | 3 | 22 |
| 3.5 | 5.5 | 36 | 4 | 23 |
| 4 | 6 | 36.5 | 4 | 23 |
| 4.5 | 6.5 | 37 | 4.5 | 23.5 |
| 5 | 7 | 37.5 | 5 | 24 |
| 5.5 | 7.5 | 38 | 5.5 | 24.5 |
| 6 | 8 | 39 | 6 | 24.5 |
| 6.5 | 8.5 | 39.5 | 6.5 | 25 |
| 7 | 9 | 40 | 7 | 25.5 |
| 7.5 | 9.9 | 41 | 7.5 | 26 |
| 8 | 10 | 41.5 | 8 | 26.5 |
| 8.5 | 10.5 | 42 | 8.5 | 27 |
| 9 | 11 | 42.5 | 9 | 27.5 |
| 9.5 | 11.5 | 43 | 9.5 | 28 |
| 10 | 12 | 44 | 10 | 28.5 |
| 10.5 | 12.5 | 44.5 | 10.5 | 29 |
| 11 | 13 | 45 | 11 | 29.5 |
| 11.5 | 13.5 | 46 | 11.5 | 30 |
| 12 | 14 | 46.5 | 12 | 30.5 |
| 13 | 15 | 48 | 13 | 31.5 |
| 14 | 16 | 49 | 14 | 32 |
| 15 | 17 | 50 | 15 | 33 |
| 16 | 18 | 51.5 | 16 | 34 |
| 17 | 19 | 53 | 17 | 35 |
| 18 | 20 | 54 | 18 | 36 |
JAPANESE/CM - These measurements are in centimeters.
Women's shoes are made on a narrower last (the foot-shaped form used in making shoes) than men's. In addition, the heel on a woman's shoe is narrower than the forefoot width. Men's shoes have the same width at the forefoot and heel. The medium width for women's shoes is B, while the medium width for men's shoes is D.
Women can wear men's shoes by converting their size to men's by subtracting 1.5 from their numeric size. For example, if you are a size 8 in women's, you would try a 6.5 in men's sizes. This is a loose conversion and doesn't change the difference in width and forefoot-to-heel ratios.
Unfortunately, there is no international sizing standard. Sizes vary from country to country. Please use the tables above only as a guide to help you in ordering the correct size. For our Australian customers, please note that the Australian size is equal to the standard U.S. Men's or Women's sizes.
If your measurements fall between two sizes, choose the smaller size for a tighter fit or the larger size for a looser fit.