Up to 4 days ice retention
Backpack straps with chest buckle
Flip open lid
Waterproof front pocket
Waterproof construction - 840D nylon coated in thermoplastic polyurethane
Watertight zipping system on top and front pocket
Velcro strip for patches (front)
Raised webbing system (for attaching MOLLE compatible accessories)
Hanging attachement points (both sides) 
Removable bottle opener
Side handles
Seamless weld construction
Metal "anchor" handle tied to zipper
Quadruple stitched handles
2 inches of tough nitrile rubber insulation on lid, 1.2 inches on body
Lined in food-grade material
Includes tube of silicone grease for smooth zipping
LIFETIME limited warranty