Stay cool without slowing down. The HydraSleeve insulated reservoir sleeve keeps your water flowing cold. Constructed tough so it can be thrown around outside the pack. The included 3L Shape-Shift reservoir is equipped with performance features, including an insulated drink tube & dirt guard. So go on, beat the heat.

Features:

• Roll-top opens for fast filling and buckles closed for carrying and hanging
• Insulating foam layer, with thermal reflective liner, prevents heat transfer keeping your water at an ideal temperature longer
• Shape-Shift™ 3L reservoir features an adjustable baffle that maintains a low-profile when filled, unlock the baffle to access the full reservoir volume
• Flexible 36" HydraFusion™ drink tube insulates in hot weather and offers protection in tough conditions, dirt guard protects silicone bite valve from collecting dirt
• High-flow Blaster™ bite valve self seals after each sip and features a smooth twist on/off bar to prevent leaks when not in use
• Access port to the Plug-N-Play™ connect system lets you easily disconnect the drink tube (an auto shutoff valve prevents leaking) for convenient refilling
• Made of water proof, 210D Nylon ripstop fabric for abrasion resistance and a smooth finish for easy packing
• 100% BPA & PVC free, wide working temperature range (can be frozen - max temp 60° C / 140° F)