SPECS: Weight: 1.9 lbs Buoyancy: 16 lbs 4 oz MATERIALS: Durable 240D ripston nylon construction with 200D nylon lining Comfortable PVC foam Neoprene padding in shoulders FEATURES: Graded Sizing(TM) for optimal fit and minimal footprint Cross-Chest Cinch harness to prevent chafing and ride-up Low profile to eliminate unnecessary bulk Waistband around lower back for added comfort Spacious pockets that fold-down and double as work surfaces Convenient mounting points for gear Type III US Coast Guard certification