C Skins Youth HDI Long Sleeve Thermal Rash Vest The C Skins Youth HDi Skins thermal rash vest provides excellent insulation and quick-dry properties. 12oz PolyPro provides incredible insulation while the strategically positioned seams give you unrestricted movement and great comfort. Designed to be worn under a wetsuit to retain more body heat thus keeping you in the water for longer. It can also be worn on its own in the waters of the warmer summer months to keep you in the water longer.   FEATURES   12oz PolyPro stretch material Quick Dry properties 4-way stretch Rash protection Breathable flatlock seams Seamless paddle zones C Skins HDI Long Sleeve Thermal Youth Rash Vest - Black