The Pro-K short is like nothing you've seen before--unless you've played professional rugby. Once you've worn this short, you won't wear anything else. Side pockets - perfect choice for referees. Features: Made of a special blended fabric that resists water externally. Stays dry in wet conditions. The inside of the short wicks moisture from the skin and breathes keeping you comfortable all game. Gusset (an extra panel) in the crotch is made of a stretch material that allows superior leg movement and unsurpassed comfort. Zero Shrinkage when washed. Formerly official short of the USA Rugby National Panel Referees. Rubberized Waistband to keep your shirt tucked in. Sizing (waist, inches): Size Waist XSmall 30" Small 32" Medium 34" Large 36" XLarge 38" XXLarge 40" 3XLarge 44" 4XL 48"