STRONG FRAME AND DURABAL MATERIAL: Made of ultralight elastic nylon cloth, polyester, breathable mesh back and shoulder strap.
-FIT YOU WELL: Ergonomic design, Vest-shaped bag coming with adjustable waist strap and high elastic chest strap,two sizes for your option.
-LIGNT WEIGHT AND GOOD VOLUME: Weight 0.32 pounds , Capacity 5L. The maximum loading weight is 22.05 pounds, two side pockets for even more space.
-MULTIPLE STORAGE COMPARTMENT: Designed with multiple exterior pockets,large enough to hold all your necessity
-FOR UNISEX: Designed for men and women, the younger and the older. Good for all ages.
Material:75% nylon, 25% spandex