The Adrenalin 2P Thermo Shield Thermal Socks don't hold water, are rapid drying, and are highly effective against wind chill, keeping your feet warm! They can be used as outer wear or as a thermal underlayer of insulation. This innovative Super Stretch 2P Thermal Rash range is perfect for any activity, wet or dry, where ever you need protection, without restriction. The amazing, unique properties surpassed our expectations.