Archival Clothing Men's Waxed Roll Top Backpack Trusted Archival Clothing once again brings you sturdy and durable construction Made of highly water-resistant 22 ounce waxed cotton twill, Horween leather, and strong threads Great for bicyclists, motorcyclists, and anyone else who regularly faces the elements Features include strap and solid brass roller buckle closure, double-layer bottom, an interior stash pocket, and two exterior side pockets great for anything requiring quick access Includes a semi-rigid, padded back panel and solid brass rings to adjust the shoulder straps