These Lightweight, quick drying regular length Boxer Briefs are comfortable for all-day wear or workouts and help you maintain your optimal temperature. Dries faster as your body heat rises so you can always keep your cool. Moisture-wicking fabric moves with you and keeps sweat away from skin. Waist size conversion (in): S = 28-30 M = 32-34 L = 36-38 XL = 40-42 XXL = 44-46