Zan Headgear Z529, Flydanna, Cotton, Iron Cross Skull The ZANheadgear Flydanna is a bandanna transformed into a headwrap The Flydanna du-rag works well as moisture barrier underneath a helmet The bandana is constructed of 6 panels and is made of 100% Cotton Ties in the back which makes these Skull Caps truely a One Size Fits All Includes a Bike Shop Supply Certificate of Authenticity / Warranty