2" Peak Unlined Spring/Summer 65% Viscose from Bamboo / 35% ModacrylicHeadband: 100% Nylon The Bamboo Hawker is a Kangol version of a classic eight panel newsboy cap, with ridges defining each section and a button in the center. Around the base of the crown is a fillet for stability and improved fit. It is made from lightweight bamboo, giving this spring and summer cap a soft and luxurious hand feel.