Just throw on a pair and go running, swimming, weight-lifting, etc.
Size guide
| XS | S | M | L | XL | 2XL | 3XL | |
| Waist (inches) | 29 ⅞ | 31 ½ | 33 ⅛ | 36 ¼ | 39 ⅜ | 42 ½ | 45 ⅝ |
| Hips (inches) | 37 | 38 ⅝ | 40 ⅛ | 43 ¼ | 46 ½ | 49 ⅝ | 52 ¾ |