UA SPANDEX HEATGEAR 4" Compression: Ultra-tight, second-skin fit for a locked-in feel. Super-light HeatGear® fabric updated to deliver superior coverage & support Material wicks sweat & dries really fast 4-way stretch construction moves better in every direction Anti-odor technology prevents the growth of odor-causing microbes Ergonomic flatlock seams deliver a comfortable, chafe-free fit Super-soft exposed elastic waistband with a rise that sits just right on your hips Inseam: 3" Polyester/Elastane Imported