The Sealskinz Waterproof Trail Hat is built for the wet & the warm to protect you from whatever nature has to throw at you. The hat is waterproof, windproof & breathable & features a mesh lining for added comfort. This hat has adjustable chinstrap that can be removed & the brim which can be worn up or down thanks to the snap button closures. It folds down nice a small so it wont take up much space in your pack or coat pocket. Waterproof, windproof & breathable Mesh lined for added comfort Adjustable chin strap Adjustable brim Thermal rating: 3