Pair of Thieves Quick Dry with action flex is underwear engineered to keep you dry, fresh, and comfortable all day long. Action-Flex and Action Flex Cotton combine ultra-soft fabric feels with adaptive stretch for greater mobility and a second skin fit that looks great across all body shapes (but especially on yours). FIT + FABRIC Polyester 90%, Lycra Adaptiv 10% PRODUCT DETAILS Quick drying Adaptive stretch Wicks moisture No-roll waistband Ventilated mesh pouch Stay-Put legs Hidden Fly