TOP Back System: Back lining and shoulder straps have high-quality breathable support, which can keep your back dry and comfortable while hiking. The waist strips can reduce the burden of shoulders and keep the backpack balanced.
Great Insulated: With the insulated bladder compartment, your drink can be kept cool for up to 5 hours.Very suitable for cycling, mountain climbing, music festivals, skiing, marathons, racing, short trips, etc.
Professional Backpack Design:Adjustable waistband and chest straps,chest sizes from25” – 53”,waistline sizes from 12” – 50”,you can guarantee the perfect fit, keeping the backpack from bouncing while running.