• 【Material】The hydration backpack is made ofpolyester and PU materials, lightweight, waterproof and wear resistant.
• 【Wide Applications】 Lightweight hiking backpack bag for hiking running festival camping biking,etc
• 【Ergonomic Design】The cycling backpack is with scientific loading ergonomic design, evenly distributed force and stable fit.
• 【Size 】This running water backpack is21cmx7.5cmx47cm/8.27inchx2.95inchx18.50inch,which is compact and lightweight,capable of easily accommodating a 2L water bag( not included )
• 【Adjustable Straps】The running backpack is designed with adjustable shoulder straps, suitable for both men and women.