An ultralight bottle gauge designed to be used with standard bicycle bottles

Whether it's trail running or speed hiking

Montbell's Alpine Pack 50 delivers a high level of water resistance while allowing quick and easy access to pack contents with the Roll-Up Closure System and Aqua Barrier Sack

it combines lightweight

During shoulder seasons in warm climates or alpine summers integrate your favorite insulated pad and use it in lightweight quilt mode

Montbell Flex Water Pack 2.0L Sb-video-guide An ultralight bottle gauge designedThe Montbell Flex Water Pack 2. 0L is a lightweight and durable hydration solution designed for outdoor enthusiasts. Made from taste and odor resistant materials, it ensures your water remains fresh throughout your adventures. When empty, the pack conveniently rolls up for compact storage, making it an ideal companion for hiking, backpacking, or travel.