great for running

been using this for two weeks now, great for running to and from the office.  highly recommended.  

 

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WATER RESISTANT & TEAR PROOF: 12L hiking backpack, made of ultra light water resistant and tear proof polyester fabric. UPGRADED DESIGN: Upgraded from the predecessor. The new pack added a rescue whistle buckle and a helmet hood design. HYDRATION BACKPACK: The bladder bag space allows you to simply fill the 2 Litre bladder bag, hang it from the hook to keep it upright, put the bite valve in place and go! CYCLING PARTNER: Helmet fixed design for the helmet (NOT included) on bike backpack, so you don't need to hold it. DESIGN for HIKING and CYCLING: Integrated breathable mesh pad in the back, breathable and not muggy. Reflective strips for safe riding at night, suitable for men and women outdoor activities like outdoor, hiking, running, camping, climbing, skiing, cycling, rock-climbing and hill walking, etc