Item Dimensions LxWxH 19.69 x 11.02 x 2.56 inches Cloud Walker 18 Hydration Pack Grab it and go: the Cloud Walker is a simple, classic daypack perfect for hikes and less technical adventures. When you’re staying close to home, just remove the reservoir for extra storage capacity. Hitting the trail? Throw it back in for 2+ hours of hydration. The large inner compartments are also ideal for clothes, snacks and essentials, and the redesigned Crux reservoir is easy to fill and delivers 20% more water with every sip. Plus, the air mesh backpanel offers a close, comfortable fit with plenty of ventilation. Hike Hydration Pack Features camelbak, water bladder, reservoir, bladder for hike pack, water bag, bladder for backpack Crux Reservoir High flow reservoir with an ergonomic handle for easier refilling camelbak, bladder, water bladder, bladder for hike pack, water bag, hiking hydration pack, daypack Crux On/Off Lever Easy and intuitive, leak-proof On/Off lever. Water when you want it, none when you don't. camelbak, backpack sternum strap, hiking backpack, daypack, hike pack, hydration backpack, backpack Removable Sternum Strap Adjust for a custom fit or remove entirely