The O'Neill Heat 7mm Round Toe Boots free you from the cold so you can focus on the waves, not your feet. These coldwater booties are built with soft, FluidFlex Neoprene and deliver all the features you need for solid performance with O'Neill's quality craftsmanship to ensure a long life of serotonin filled sessions. Offering plenty of warmth, a secure yet comfortable fit and superb durability, the Heat Boots are perfect for any surfer spending hours chasing those sumptuous cold water peaks.