Body core protection for all water sportsbull; UV protection actionbull; 0.5mm super elastic neoprenebull; Smooth on your skinVery easy to put on, provides great UV protection and the Metalite coating helps retain heat for superior warmth. Flat stitch for comfortable contact on your skin. Thermo Guard offers more body core protection than a standard rash guard. Perfect underneath your suit for better heat retention during diving.Thanks to its thermal and UV protection, itrsquo;s also ideal for any other watersport use.