Under Armour Women's Ua Favorite Fleece Boyfriend Pants Cotton^Polyester Imported Machine Wash Constructed of 80% cotton, 20% polyester Ultra-soft, mid-weight cotton-blend fleece with brushed interior for extra warmth Signature Moisture Transport System wicks sweat so it dries faster than ordinary cotton Lightweight stretch construction improves mobility for full range of motion Stretchy, ribbed waistband with external drawcord