Thorlos Unisex Golf Roll Top Single Fiber Contents:82%Exclusive THORLON Acrylic , 17%Stretch nylon , 1%Spandex Constructed with THORLON fibers for superior softness, resilience, durability and moisture-wicking for drier, better feeling feet. Flat knit instep and cushioned arch for a better fit and support for a more comfortable game. Low profile toe seam wont rub or irritate feet. Unique padding specifically designed for golf, clinically shown to reduce blisters, pain, pressures and moisture.