SpeedZoot swimskin with hydrophobic ULTRArevo Gloss fabric that repels water to reduce surface drag and make you fast in the water. A barrier is formed around each yarn/fiber prior to fabric construction for maximum water repellency NOT a film that will crack and wear off. SpeedZoot swimskin technology is WTC/Kona legal Engineered with BIOwrap compression to reduce drag and increases muscle performance in the water. Chlorine-resistant with Xtra Life Lycra. UPF 50+ sun protection. Flatlock stitch construction ensures next-to-skin comfort. Welded leg gripper for secure closure. Women"s 9.5" (24cm) back zipper with soft-finish zipper binding and quick pull cord. Constructed without a pad for maximum speed in the water