Mares UV Protect 50+ Ladies Trilastic Rash Guard is manufactured quality lycra with a higher spandex content compared to alternatives. Affords super 50+ Protection from the suns harmful rays. Stylish, Comfortable and the superior quality means that it will continue to look smart and feel great even after several seasons water sports activities. Suitable for Swimming, Surf, Snorkelling etc. Wear under a wet suit to help prevent wet suit rash and to increase comfort and aid donning and doffing.