Under Armour ColdGear Armour Compression Mock - Compression: Ultra-tight, second-skin fit for a locked-in feel. - Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior - 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 flatlock seam construction - Updated, ergonomic mock neck with ARMOUR wordmark on back