High mandarin collar for additional cooling relief and sun protection, handy front pockets, and zipper closure; designed especially for bikers Provide 5-10 hours of cooling relief per soaking; lightweight, durable, and washable Comfortable, quilted nylon outer with HyperKewlTM polymer embedded fabric inner, water-repellant nylon liner, and black cotton-poly elastic trim Silver, Black, Royal Blue, Hi Viz Lime XS,S, M, L, XL, 2XL, 3XL Custom sizes available WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov This warning is being provided to comply with the State of California's Proposition 65.