Seal Line ILBE Sack
Improved load-bearing equipment.  Manually operated, lightweight purge valve with 1000lb crush rating makes compression simple and effective.  56 liter pack liner has thicker coatings and a safety orange interior for added visibility and use as an emergency signal panel and the 65L has the green interior.  Proprietary and incredibly durable lightweight fabrics and coatings (210D High-Tenacity polyurethane coated Oxford Nylon.  Dry Seal dual-strip roll-down closure.  Weight: 357 grams/12.6oz  Dimensions: 33x66 cm/13x26 inches  Volume: 56 liters/3417 cubic inches