8L/9L/10L Running Hydration Vest Pack Backpack for Outdoor Trail Marathon Race Cycling Camping Hiking

8L/9L/10L Running Hydration Vest Pack Backpack for Outdoor Trail Marathon Race Cycling Camping Hiking Features: Big zipper pocket on the back can hold a 2 liter water bladder (not included). Multiple front pockets help keep your items organized such as mobile phone food water bottle etc. Adjustable drawcord provides additional storage space for fixing your towels and clothes. Hanging loops allow easy access to your trekking pole quickly. Reflective accents on the front and the back increase visibility and keeps you during nighttime activities. Breathable mesh back and mesh shoulder straps keep you cool and comfortable. Adjustable chest straps distribute weight effectively and reduce strength consumption. Suitable for riding running cycling camping hiking mountaineering etc. Specification: Material: 85% Nylon + 15% Spandex + Mesh Size: 38*19cm / 15.0*7.5in Weight: approx. 195g / 0.4lb Color: White / Black (optional) Size: M / L / XL (optional) M: Capacity: 8L Chest Circumference: 78-90cm / 30.7-35.4in L: Capacity: 9L Chest Circumference: 90-102cm / 35.4-40.1in XL: Capacity: 10L Chest Circumference: 102-115cm / 40.1-45.3in Package List: 1* Backpack