This backpack is perfect combination of waterproof Nylon｣ｬ ultra-thin mesh and breathable air cushion. You don't need to worry about your backpack to be soaked by your sweat or drizzle; And the weight of backpack is only 270g because of its ultralight fabric｣ｬ no pressure while doing a long-term exercise｣ｬ such as running｣ｬ climbing｣ｬ cycling｣ｬ and marathon.

Features:
High quality water and tear resistant Nylon material.
Durable abrasion resistant metal zipper.
Light weight (9.5oz) and Roomy (8L).
Comfortable wide breathable mesh shoulder straps｣ｬ comfortable to carry.?
Many pockets satisfy every of your demands.
Hydration Bladder is included.
Multipurpose: Hiking｣ｬ cycling｣ｬ climbing｣ｬ running｣ｬ camping｣ｬ outdoor travel｣ｬ trekking

Specification:?
Type: Sports Backpack
Material: 60D Light-weight Waterproof Nylon + 210D Terylene
Color: Black / Blue / Rose Red / Red (Optional)
Dimension: 33 * 17 * 8cm / 13 * 6.7 * 3.2in
Gender: Suitable for both men and women?
Capacity: 8L
Weight: 270g / 9.5oz
Belt (perimeter): Max.135cm /53.15inch

Washing Instruction:?
-Don't wash with liquid detergent or bleach.?
-Clean with wet cloth if necessary.?
-Dry naturally.?

Package Includes:?
1 * Backpack
1 * 1.5L Hydration Bladder