Zan Headgear ZX229RB, Vented Flydanna, Polyester Mesh, Royal Blue Flames The Flydanna Vented Sport is constructed of lightweight polyester These Flydannas feature a comfortable sewn-in terrycloth sweatband The pigment dyed fabric is fade-resistant and extremely durable Ties in the back for a secure, customized fit makes these One Size Fits All Includes a Bike Shop Supply Certificate of Authenticity / Warranty