Gull 3MM Hood Black

3MM FIR HOOD Designed for winter use, this FIR (Far Infrared Radiation) fabric-lined hood keeps your head warm in colder waters. The area at the ears is perforated to facilitate hearing. Great for winter season skin and scuba diving. Also suitable to be worn on its own. Performance: – FIR The inner surface is lined with FIR nap. Recycling heat that would otherwise be lost, from escaping body heat, FIR nap generates far-infrared heat and keeps you warmer.