| crocs Sizing | US Kids' Size | US Women's Size | US Men's Size | ||
| c 4/5 | 4/5 M Toddler | ||||
| c 6/7 | 6/7 M Toddler | ||||
| c 8/9 | 8/9 M Toddler | ||||
| c 10/11 | 10 M Toddler/11M Little Kid | ||||
| c 12/13 | 12/13 M Little Kid | ||||
C1 |
1 M Little Kid | ||||
| C2 | W4 | 2 M Little Kid | 4 M | ||
| C3 | W5 | 3 M Little Kid | 5 M | ||
| C4 | W6 | 4 M Little Kid | 6 M | ||
| C5 | W7 | 5 M Little Kid | 7 M | ||
| C6 | W8 | 6 M Little Kid | 8 M | ||
| W9 | M7 | 9 M | 7 M |
||
| W10 | M8 | 10 M | 8 M | ||
| W11 | M9 | 11 M | 9 M | ||
| W12 | M10 | 12 M | 10 M | ||
| M11 | 11 M | ||||
| M12 | 12 M | ||||
| M13 | 13 M | ||||
| crocs Beach Sizing | US Women's Size | US Men's Size | |||
| XS | 4/5 M | ||||
| S | 6/7 M | 4/5 M | |||
| M | 8/9 M | 6/7 M | |||
| L | 10/11 M | 8/9 M | |||
| XL | 12/13/14 M | 10/11 M | |||
| XXL | 12/13 M | ||||
| 3XL | 14/15 M | ||||
| 4XL | 16/17 M | ||||