With the ultralight BeFree 1.0L Tactical, you can head out on any adventure, no matter the size, without worrying about clean drinking water. Whether it be on a remote trek, out mountain biking, or at a small basecamp by the lake. Just fill the flexible, foldable reservoir with water and be immediately refreshed doing what you love. The BeFree 1.0L Tactical is the perfect companion for hikes, travel, or for everyday use. To get the most enjoyment out of your filter, simply shake or swish the EZ-Clean Membrane filter and hit the road. Less worry, more fun, BeFree!