5 liter waist pack with double-diamond ripstop polyester construction for added durability Convertible waist pack/shoulder bag, Includes adjustable shoulder strap for increased comfort Includes 2 zippered main pockets, 2 mesh waist belt pockets, water bottle pocket, and mesh gel pocket, enough space for your essential gear Breathable mesh padded lumbar support and waist belt for comfort Contoured zipper pulls for easy access and a reflective daisy chain