SUGOi Men's RPM Glove Palm 63% Nylon, 37% Polyurethane / Back of Hand 100% Polyester / Thumb 94.5% Polyester, 5.5% Spandex Imported Soft micro-suede thumb wiping surface Single layer synthetic leather palm offers excellent hand to bar interface Textured breathable wicking back for comfort and performance Slip on style for low profile fit