Features: Hydration Capacity: 100 oz / 3 L Total Capacity: 1403 cu. In / 23 L Weight: 2.75 lbs / 1.25 kg Fabric: 500D Cordura Fabric Front panel gussets and shoulder harness front side > 420D High Density Nylon on shoulder harness back side and raised pod panels > 10 mm EVA foam shoulder harness > 210D Nylon lining > 5 mm Closed Cell foam > Nylon webbing