About this item polyester Imported Hiking Backpack：25L，This tactical backpack is made of 600D Polyester ，The buckle and zipper are all made of YKK, are a terrific companion for all your day-long or overnight hydration needs Compact Design：This biking backpack has a compartment and a variety of pockets, It provides ample room for your outdoor essentials including additional clothing, sports towel, maps, etc，The molle system allows you to attach other gears to the pack Hydration System：The main compartment has a separate water bag compartment for the hydration bladder， It includes a top hole for passing a drinking tube through, suitable for a 2L bladder，WATER BLADDER IS NOT INCLUDED Customizable Comfort：Adjustable sternum strap, removable hip belt, and breathable bearing system design means this molle biking backpack fits men, women of different body types Tactical Outdoor Gear：Frees your hands while drinking, this molle tactical hydration pack is suitable for 1–2-day cycling, mountaineering, hiking, climbing, travel, running, camping, exploring, and skiing
