Description of π Optimize Your Streamline Hydration Backpack - Azarxis 5L/5.5L/8L Running Vest for Women and Men - Perfect for Marathon Trail Races
π MATERIAL: Nylon. Our running hydration vest is durable, lightweight, breathable, fast hydrating, fits the body without shaking. π Azarxis Guarantees: If there are any quality issues with our products, please feel free to contact us. We offer a 20 month seller guarantee. π Since all of our products are fulfilled by Amazon, if you have any doubts about shipping, exchange or return, please contact Amazon Customer Service directly. πββοΈ SUPER HYDRATING: BPA-free hydration bladder OR water bottles with pressure and leak resistance. There is no need to stop when running, you can be directly drink the water by the tube or taken it out when needed. Very convenient running backpack outfit. πββοΈ ADJUSTABLE BUST VEST: solid duraflex buckle + high density webbing band, the trail running backpack is suitable for chest size 31.5 - 47.3 inch kids mens or womenβs. The one size military hydration vest is free size (one-size-fits-most), fit your waist length freely. πββοΈ LIGHTWEIGHT & NO SHAKE: The hydration pack provides a tight, comfortable and non-swaying fit that won't shift even during running. The hydration vest with ultra-light design for maximum support and minimal burden. πββοΈ MULTI-POCKET DESIGN: Multi-pocket design can meet all your sports needs. Water bottles, mobile phones, keys, money, food can be easily stored in the front pocket of the backpack; Water bladder, light jacket and other items can be stored in the back pocket. The vest backpack can give you plenty of storage space. πββοΈ MARATHONER HYDRATION VEST: Our waterproof running water vest can accompany your Running, Jogging, Marathon, Climbing, Hiking, Cycling, Walking, Backpacking, Traveling, etc. It is the hydration backpack designed for men, women and children.