Under Armour Men's UA ColdGear&reg; Evo Night Vision Compression Leggings Dual-layer fabric with an ultra-warm, brushed interior & a slick, fast-drying exterior Stretch-mesh gusset & inseam panels provide strategic ventilation 4-way stretch fabrication allows greater mobility in any direction Moisture Transport System wicks sweat away from the body Anti-odor technology prevents the growth of odor causing microbes