Rothco MA-1 Boonie Hat Two Great Military Items Have Been Combined To Create The Ma-1 Boonie Hat Like The Military Style Boonie Hat, This Hat Features 2 Screened Vents on the Right Side and Adjustable Chin Strap The Boonie Hat Features a Ma-1 Flight Jacket Style Pocket on the Left Side Made From a Durable Cotton Poly Material Classic Military Bucket Hat With a Twist!