Shop men's skinsuits. Find dive skins, swim skins, and polyolefin skins for thermal protection. Men's skins can be worn alone or under your wetsuit as a layer. Skinsuits can help with getting in out of your wetsuit with ease. Worn alone, skinsuits protect you from harmful sun rays, harmful sea life, and can protect the skin. Skinsuits can be called dive skins, hot skins, and swim skins, and they come in different colors and designs with various stretch. The polyolefin skin is unique because it is resistant to chlorine and does not promote bacteria.