Under Armour Men's Ridge Reaper Hydro Shorts 87% Polyester/13% Elastane Imported Loose: Fuller cut for complete comfort UA CoolSwitch uses an exclusive coating on the inside that pulls heat away from your skin, making you actually feel cool & able to perform longer Mesh underarm panels deliver strategic ventilation 4-way stretch fabrication allows greater mobility in any direction Moisture Transport System wicks sweat & dries fast