Swim that stays put through an onslaught of monster waves or little monsters. Swim that shuts out the sun and shuts in the warm. A dense, not-quite-neoprene fabric keeps us covered and cozy for long hours in the currents. Pullover x-back. Best for A's and B's. Dense, UPF 50 nylon/spandex. Online only. XS(32), S(34), M(36), L(38), XL (40).