Cuddl Duds Women's Winter Thermal Long underwear base layering set 54% polyester, 46% cotton Comfortable fabric which quickly absorbs moisture. Great base layer for all winter sports Bust in inches: Small = 34-36, Medium 37-39, Large = 40-42, XL = 43-46 Hips in inches: Small = 36-38, Medium 39-41, Large = 42-44, XL = 45-56 Set contains a crew Neck Top and stretchy Long John Underwear bottom