Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior|Stretch-mesh gusset & inseam panels provide strategic ventilation|4-way stretch construction moves better in every direction|Material wicks sweat & dries really fast|Anti-odor technology prevents the growth of odor-causing microbes|Smooth, chafe-free flat seam construction|Engineered elastic waistband with ARMOUR wordmark