Outdoor Sports Cross-country Running Backpack

Made of waterproof nylon material, mesh material is polyester fiber, weight is only 140g. Slim and snug, soft and comfortable, aligns your back while gently protecting your muscles. It comes with an adjustable belt and shoulder strap that can be adjusted to suit your body type. Diamond-shaped honeycomb breathable net design, effective sweating during running, light and breathable, sports hydration, internal storage space can carry items, suitable for mountain climbing, marathon, hiking. 14.6" L x 7.9" W x 2.76" H