Traditional Adult Unisex Hospital Gowns 3-Pack Star Blue 55% Cotton 45% Polyester These standard, versatile straight back gowns have a convenient tie closure at neck and also in the mid-back. Fabrics are a blend of 55% cotton and 45% polyester. fabric that can withstand repeated laundering in hot water. One size fits all- Average gown given at a hospital. See more below on Product description regarding sizing.