Comfortable long hose Hose is long enough to route the soft drinking tube out of your pack so you can sip directly without removing the backpack. Allows hands, onthemove hydration for continuous activity. Wide, easyfill opening Large mouth makes it quick to add water, add ice cubes, and clean. The opening is big enough to insert your hand for thorough cleaning and fast refills in any conditions. Soft bite valve with light suction Soft bite valve provides easy, controlled drinking with minimal effort. Drink directly from the valve without stopping your pace or removing your pack — ideal for running, marathons, and long rides. Durable, spacesaving bladder design Built for long life and regular use. The reservoir stands upright when full for stable filling and collapses as you drink to minimize bulk and save pack space. Designed for backpack hydration systems Made to work with soft water pipes used in hydration backpacks so you can route and drink the tube directly from your bag. Practical use scenarios Longdistance running or marathon training: sip continuously without breaking stride. Day hikes or climbing: add ice in the morning, refill on the trail, and easily clean after use. Cycling and commuting: keep hydration accessible and compact in your pack or bag. Key benefits at a glance Drink on the move without removing your pack Fast refills and easy cleaning Comfortable, loweffort bite valve Durable and spaceefficient bladder design