Brand new pack - Molle Engagement Pack. The molle engagement pack is made of Durable 6000 Nylon. The pack comes with a composite internal back frame. Features include: Hydration Compatible. Detachable Molle Butt Pouch included. Molle straps throughout for Molle attachments. Metal D-Rings on shoulder straps. 2 Adjustable Compression Straps on each side. Adjustable chest strap. Reinforced double stitch drag handle. Heavy Duty Rust proof zippers with nylon corded pulls. Expandable external pockets. Detail dividers and pockets in each external pocket. Adjustable quick release compression straps. Molle system strips. Backpack measures 21 in. x 12 in. x 9 in., Butt Pouch measures 7 in. x 7 in. x 9 in.