Propper"s Authentic Army Universal Digital ACU Cap is made of Quarpel-treated water-repellent 50% nylon / 50% cotton ripstop. The cap is sewn to military specification FQ/PD 04-14. It includes a map pocket and back side VELCRO brand hook-and-loop fastener. Features: Sewn to military specification FQ/PD 04-14 NIR compliant Quarpel treated for water repellency Includes map pocket on interior of cap VELCRO is a registered trademark of Velcro Industries B.V.