This handy piece of kit is designed to keep the head cool when wearing a helmet, or can be used alone. Adjustable design will fit most head sizes. Available in 2 different materials: midweight mod-acrylic driFIRE flame retardant (Olive and Tan solids), and lightweight nylon-cotton ‘Combat Cloth' (Cadpat TW (Woodland) and AR (Desert). Covered by a 60 day warranty on defects in material and workmanship.