Wetsuit Hoods and Wetsuit Caps to keep the head warm. Without Neoprene Wetsuit Hoods and Wetsuit Caps from O'Neill, Billabong, Rip Curl your head will turn to ice. Our Neoprene Wetsuit Hoods and Wetsuit Caps come in 3mm thickness. It is important to wear neopreneWetsuit Hoods and Wetsuit Caps in cold waters as this keeps you surfing for longer. Our best selling Wetsuit Hoods and Wetsuit Caps are Rip Curl F Bomb Neoprene Wetsuit boots and the Billabong Neo Wetsuit Hoods and Wetsuit Caps.