Aircell Inner Bladder: 210 denier laminated nylon; Integrated Weight System: 12 lb (5.4 kg) total capacity with quick-release buckles; 1x 2-inch (5 cm) roller buckle cam strap; 1x 2-inch (5 cm) Hook-and-loop retainer strap; Tank height adjustment strap; 4x 2-inch (5 cm) D-rings; 1.5-inch (3.8 cm) quick-release crotch strap; Weight: 6.2 lbs (2.8 kg); Made in the USA