Survival

Neat screw-together kit uses Grayl titanium water purifier to create a Seattle-style coffee stop anywhere in the world. The Coffee Press for GeoPress Ti is available now with or without a titanium cook lid.

The new KEA Hex looks like an unassuming folding knife upon first glance. But what looks like a basic lanyard holder is more than meets the eye, carrying a handful of functions within a simple rotating dial.

With DNA linking back to Leatherman's original PST multitool, the Wave has long served as a cornerstone for the brand. Now it evolves into the Wave Alpha, adding serious cutting muscle while improving upon its staple one-handed operation and grip.

The new Aviator's Ember from Aerohart applies aerospace-grade materials to an age-old design, providing powerful fire-starting performance that carries lightly in a pocket. Like an engine piston, it compresses air for fast, furious combustion.

Looking to best other squeezable filter bottles, the Oassay FlexFlow uses a compact filter to remove tiny viruses, bacteria, heavy metals, hydrocarbons and even fluoride. The bottle passes water at drinkable flow rates for seamless hydration.

We know Lifestraw best for lightweight, ultraportable water filter and purification products aimed at backcountry use, but its all-new Escape is a different beast. The jug supplies groups with over 5 gallons of clean drinking water per fill-up.

Some things we eat or drink raise our risk of deadly diseases. Strangely, once we have those diseases, a recent paper claims the same factors can help us live longer. Does this survival twist, dubbed "Cuomo's Paradox," challenge decades of nutritional advice?

The big, bruising Adventure Mate V3 "mega-multitool" won't fit in a pocket, but it will get actual work done. The tiny blades on a traditional multitool might whittle a branch, but the V3 will take down the whole tree and split it into firewood.

Enola Gaye has nearly 30 years of experience with smoke and paint grenades. Now it's putting that experience into a pull-activated firestarter for wilderness survival. The Ultimate Match can ignite underwater before firing out a mini inferno.

Having a Swiss Army knife is all fun and games until you find yourself wanting to see in the dark, start a fire, drink water straight from a stream, or heck, even charge your phone. Enter the Lifesaber.

A folding saw as premium as a collector's edition knife? It's a category that didn't really exist until Woxna hit the ground running this year. The brand's newest saw pairs mesmerizing Damascus steel and rich walnut wood into a one-of-a-kind tool.

Researchers at Australia's RMIT University have devised a simple and clever contraption that could make drinking water available in disaster-stricken areas, by pulling it out of thin air.