hydration bladder insulated 2l from evocnever thirsty again. the hydration bladder thermally insulated system is compatible with most evoc backpacks and supplies you at all times with liquid, without the hassle of unpacking. the large opening and lockable mouthpiece make the drinking system become an indispensable accessory of your evoc backpack. featuresinsulated hydration bladder by evoc for backpacks with hydration bladder compartmentsbpa/pvc-free materialavoidance of frozen liquids thanks to insulated hydration tube and closing captaste-neutral material for pure flavourvolume: 2 l weight: 140 g