Under Armour Men's ColdGear Armour Printed Compression Leggings 87% Polyester, 13% Elastane Imported Compression: Ultra-tight, second skin fit 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 & dries fast