Hanes W550 Ladies 8 Oz, 80/20 Comfortblend Ecosmart Open Bottom Fleece Pant 80% Cotton/20% Polyester Drawstring closure 80% cotton, 20% polyester. 5% polyester from recycled plastic. dyed-to-match twill drawcord. double-needle coverseaming on outseam. encased elastic waistband.