Made of ultralight elastic nylon cloth, polyester, breathable mesh back and shoulder strap.
Ergonomic design, Vest-shaped bag coming with adjustable waist strap and high elastic chest strap,two sizes for your option.
Weight 0.51 pounds , Capacity 5L. The maximum loading weight is 22.05 pounds, two side pockets for even more space.
Designed with multiple exterior pockets,large enough to hold all your necessity
Designed for men and women, the younger and the older. Good for all ages.
Material: 75% nylon,25% spandex
Lining: 100% polyester Net Weight:145g
Water Supply: 2L water bladder(not included)
S/M is suitable for 75.5-84.5cm chest circumference
M/L is suitable for 83-92cm chest circumference
L/XL is suitable for 89.5-98.5 chest circumference