Ultra-skin takes under suits to the next level - 3 layers combined for the best comfort and movement! Innovative under suit with thermal comfort properties has a fleece inside for the best comfort, a windproof and breathable membrane then a stretchy layer outside for the perfect fit and freedom of movement. Designed as stand-alone or is suitable as a wetsuit or dry suit undergarment. When worn as a standalone the Mares Ultra-Skin provides UPF50+ protection from the sun's harmful rays. Under an exposure suit the Mares Ultra-Skin adds ease of donning and warmth.