Lightweight Hydration Cross Country Backpack Pack 10L Rucksack Bag,Aonijie Vest For Water Bladder, Hiking Running Marathon Cycling, White/Black (Black+2L, L/XL)

✅BREATHABLE LIGHTWEIGHT - Brand:AONIJIE ,Soft and thin mesh padding of hydration vest for optimal comfort and absorb sweat efficiently. The flexible adjustable straps help backpack hug your body nicely .Ultralight hydration pack with wide and breathable shoulder straps distribute weight effectively, ✅ DETAIL INFORMATION:Capacity 8-10L, Material: 85% nylon,15% spandex Mesh Cloth: Polyester.,Color:Black and white .Size Comfortable：S/M:78-90CM, M/L :90-102CM ,L/XL :102-115CM,Net Weight:196g; ✅ SUPER POCKET -- You can carry everything you need with the running backpack. Super pocket design that your water bottle, phone, keys, foods can easily stored in the front pack pockets, and bladder or other items can be held in the back one; ✅ SUPER POCKET -- You can carry everything you need with the running backpack. Super pocket design that your water bottle, phone, keys, foods can easily stored in the front pack pockets, and bladder or other items can be held in the back one; ✅WATER SUPPLEMENT -- Could fix 2L Water bladder or 2pcs 500ml Kettle,Drinking the water by the tube directly or take it out easily whenever you need without taking your running vest off or stopping your steps. Convenient trail running backpack outfit;