The inner fabric of BARE's Ultrawarmth Wet Hoods is made of high-loft Ultrawarmth OmniredTM Infrared Thermal Technology. OmniredTM is FDA-approved and scientifically proven to conserve body heat and speed thermal recovery. Heat retention and enhanced warmth are provided by the ELASTEK outer fabric. Ultrawarmth Wet Hoods are designed to fit comfortably with the BARE wetsuit collar and prevent flushing, making them a perfect addition to any diving outfit.