BREATHABLE & COMFORTABLE FABRIC: POLYESTER/COTTON blend. Ripstop, lightweight, sun protection material. SIDE EYELIDS: Men Military Bucket Hat Camo features breathable SIDE EYELIDS to keep your head cool. And buckle on each side for buckling it up, easy conversion to Sheriff/ Cowboy style. ADJUSTABLE CHIN STRAP: Wide Brim Boonie Hat with adjustable chin cord ensures a secure fit. Equip it in your wardrobe, also protecting yourself from the rays. EASY TO PACK: Very convenient to carry when it rolled up and absolutely save lots of space. Hat weight 0.1kg. OCCASION: Camo boonie hat also prevent those creatures from sensing your presence, really suitable for hunting, fishing, paintball, army training, trekking, mountaineering, also daily work etc.