Under Armour Men's Ridge Reaper 13 Late Season Pants 85% Acrylic/15% Wool Imported UA Storm technology repels water without sacrificing breathability Windproof materials & construction shield you from the elements Bonded 2-layer wool-blend material with a warm brushed inner layer for lightweight warmth ColdGear Infrared technology uses a soft, thermo-conductive inner coating to absorb & retain your own body heat