Suitable for running, hiking, cycling, walking and other sports.<br> <br><strong>Features:</strong><br>Airflow system design, keep your back cool and dry, two sides pockets to carry more water bottles.<br>It features multiple functions, such as shoulder wide straps with pockets for item storage, reflective strip for night safety.<br>Special compartment for holding water bladder, the water tube retainer clip for holding drinking tube.<br>Adjustable chest and shoulder wide straps, thickening and soften cushion pad design, helmet attachment for holding the helmet other stuff.<br>Large capacity of 10 liters volume, more than a hydration backpack, enough space for a laptop and carry more things together when you hiking or riding.<br><br> <br><strong>Specification:</strong><br>Material: Polyester + Nylon<br>Color: Red, Green, Blue<br>Shoulder Strap Length: Approx.58cm / 22.8in - 65cm / 25.5in<br>Product size: 30.5 * 14 * 44 cm / 12 * 5.5 * 17.3in<br>Product weight: 455g / 16oz - 460g / 16.2oz <br>Package size: 60 * 30 * 10cm / 23.6 * 11.8 * 3.9in<br>Package weight: Approx.467g / 16oz - 472g / 16.6oz<br> <br><strong>Package List:</strong><br>1 * Backpack