Kangol Bamboo 507 Ivy CapIt's all about the bamboo. The modern and sleek 507 Bamboo from Kangol is an excellent hat for Spring and Summer with a material that's light and dries quickly. The build of the 507 is form fitting, so you won't have to worry about puffy sides. This cap fits true to size. Prepare to receive many compliments. FEATURES Material: 60% Bamboo, 35% Modacrylic Brim: 1 3 4" Crown: flat