Crux Reservoir delivers 20% more water per sip and with an ergonomic handle for easier refilling 10mm closed cell foam reservoir insulation Insulated tube and bite valve cover Attachment points Large adjustable carry loop The CamelBak Stoaway 70oz Insulated Hydration Bladder Reservoir is designed to turn nearly any compatible pack into a reliable allseason hydration system. Built for versatility across hiking, snow sports, and running, it delivers efficient hydration with added temperature control for changing conditions. At its core is CamelBaks Crux Reservoir, engineered to deliver 20 percent more water per sip so hydration stays consistent during active movement. Closedcell foam insulation helps regulate water temperature, while an insulated tube and bite valve cover provide added protection in cold environments where freezing can be a concern. Designed for flexible use, the Stoaway features attachment points and a large adjustable carry loop, making it easy to secure inside a pack or carry on its own when needed. Durable, easy to refill, and thoughtfully engineered, it supports smarter hydration through every season. CamelBak designs hydration systems that help people stay prepared, hydrated, and focused wherever adventure leads.