This stuff flat-out works and this bottle from Sawyer is easy to apply, lasts for six weeks or six washes, and is less than $20.

苍蝇领主

苍蝇领主的媒体报道

Smart backpackers now combine a lightweight filter like the Sawyer Squeeze with chemical tablets as backup – a system that processes water from alpine streams and desert potholes alike.

Brave Words

Editorial Team

This insect repellant's permethrin spray provides long-lasting insect and tick protection for clothing and gear, effective for up to 6 weeks.

Adam Oram

Senior Editor