Dual-layer, textured-grid fabric traps heat for warmth with very little weight .ColdGear Infrared technology uses a soft, thermo-conductive inner coating to absorb & retain your own body heat .Material wicks sweat & dries really fast .Anti-odor technology prevents the growth of odor-causing microbes .Encased elastic waistband with internal drawcord .Mesh hand pockets .Tapered leg fit .7" leg zips .Inseam: 31" .