The Body Glove 8mm Red Cell Bootie offers unparalleled warmth and unrivaled performance with its heat-generating infrared technology. The Red Cell Wetsuit lining conserves heat and keeps you comfortable and warm, just like sitting in a climate-controlled car. Don't let short winter daylight hours limit your surfing session. Stay warmer and surf longer with the advanced Red Cell fabric technology. Features include a Fluidseal exterior, Evo Flex interior tape, adjustable arch strap, heat-moldable EVA foot bed, Red Cell infrared thermal lining, tapered ankle seal to minimize flushing, and a covered split design for improved dexterity. These boots are also 50% lighter than traditional vulcanized boots.