The Gul CZ Windward 5mm boots are designed to provide warmth and protection in the toughest conditions, perfect for sailing and other watersports. Made from 5mm D-Flex neoprene with Titanium 2 lining to reflect heat back, keeping your feet warm. Featuring a hiking grip system for better connection with hiking straps, these boots also include a non-slip sole and reinforced heel and toe for added durability.