Cskins Short sleeved rash vest with great style lines, ergonomic seam placement, 4-way stretch and quick dry properties and a high neck to to help against rashing if worn under a wetsuit , Features:, U.P.F. 50+, UV Protection, High Neck to Wear Under Wetsuit, Quick dry, Boardshort Connector, Rash Protection, Flatloc Stitched, Strategic Seamless Paddle Zones, , , Materials, 60z Nylon/Spandex 4-way Stretch, Check out all our Mens Rashvests Here,