Under Armour Men's NoBreaks ColdGear Infrared Run Pants 87% Polyester/13% Elastane Imported Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior UA Microthread technology in the fabric dries faster, wont cling to you, wont chafe & stretches without absorbing sweat ColdGear Infrared technology uses a soft, thermo-conductive inner coating to absorb & retain your own body heat 4-way stretch construction moves better in every direction Material wicks sweat & dries really fast