Function: Isosceles Storage System carries boots, helmet and gear; Fabric: Super tough, water resistant coated 1680 ballistic nylon and polyester ripstop; Front vertical zipper provides extra access to large central compartment; Adjustable waist belt and sternum strap for comfort, weight distribution and stability; Comfort grip rubber top handle and padded foam front grip handle; Side boot pockets with air/water drainage grommets; Coated water resistant central compartment for gear; Water-resistant tarpaulin bottom; Contoured adjustable neoprene comfort shoulder straps; Stow-away compartment for shoulder straps and waist belt; Internal zipper pocket for personal items; Fleece goggle pocket inside top lid; Zipper side pockets with reflective stripe; Volume: 3600 cu in / 59 L