Designed to provide maximum protection for any outdoor adventure, the Sunshade Safari Hat With Neck Flap is crafted from water-repellent 100% nylon ripstop and features side mesh panels that allow for circulation, a UV underbrim and anti-mosquito technology. A detachable neck flap and chincord provide maximum coverage and a secure fit. Note that size XL runs slightly small and is labeled LL Crown: 11cm Brim: 7cm Polyester Mesh Panels Detachable Chincord Detachable Neck Flap 100% Nylon Imported