Water bladders are often impractical for use in the outdoors because they can be difficult to fill, clean, and store properly. With a screw-on head that turns any water bottle into a hydration pack, ...

The Smartwater bottle and Sawyer Squeeze filter combo is a mainstay of the ultralight hiking kit. The bottles are cheap, replaceable, and lightweight. The screw-on filter means you can collect water ...

Unique Features: splices into hydration bladder systems to filter water while drinking, instead of at the stream Upshot: Filters offer a more palatable alternative to water treatment products like ...