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Drop-in purification lets any vessel become a self-contained water-cleansing system. No matter who you are—or what mountaintop, elliptical machine, or TPS report you need to conquer—crisp, fresh-tasting H2O can go right along with you. Just fill any of these fine flagons at the nearest tap, and drink up.
Gym Rats
Swag canteens are great—if you’re into lukewarm water mid-workout. The Camelbak water bottle has a cell-foam insulation that keeps water cold twice as long as that freebie. Amazon; $13.
Trail Trekkers
When climbing, it can be hard to breathe, let alone pull water from a hydration pack’s straw. The Geigerrig Rig 700M is pressurized: Bite a valve to get H2O from its 70-ounce reservoir. Amazon; $140.
Light Packers
The HydraPak Stash collapses from 7.2 inches tall to the size of a hockey puck flask. The 25-ounce bottle’s flexible center stands up to repeated twisting between the hard-shell top and bottom. Amazon; $16.
All-Day Toters
Most double- walled bottles use hefty endcaps to close the chamber between the steel walls. Hydro Flask seals with a glass plug during the vacuuming process, lightening the vessels. Amazon; $30.
Desk Jockeys
Be an adult: Drink from a glass. The MIU Color 18.5-ouncer is made of borosilicate, which, thanks to a makeup that’s about 5 percent boric oxide, is durable and stain resistant. Amazon; $22.
This article was originally published in the March/April 2017 issue of Popular Science, under the title “Carry Water.”
