BCB Adventure Hot Weather Hat Description:With cooling chamber and removable neck guard. A classic military style hat designed for operations in hot climates. Mesh netting (backed with fine mosquito netting) helps ventilate the head. An integral poly-crystal chamber in the top of the hat can also be immersed in water to provide extra cooling to the cranium. Simple but very effective. Features: *Simply immerse in water for 10-20minutes *Can be used with or without water *Mesh ventilation *Removable Nape Guard and neck tie *Colour: Sand