National Geographic Snorkeler accessories are constructed from materials at the leading edge of water-wear technology. The water sports Glove is a simple yet practical solution to protect your hands from anchor and bouy lines and egress ladders… But please do not handle critters with them! Silprene™, Nylon 2, flat stitched comfort and warmth. Hook and Look closure for a snug wrist fit. Available in SM, MD, LG & XL.