Specs from the source, side by side, with the date we checked them. Then plain-language guides on what those numbers mean outside.
Shopping for a rain shell? Browse jackets or read what waterproof ratings mean.
The millimeter figure on a jacket or tent tells you how much water pressure the fabric resisted in a lab. Here's how to read it, and what it leaves out.
A 4-season tent isn't a 3-season tent that also works in summer. Here's how they're built differently and which one your trips call for.
Water is the heaviest thing you carry that you can't do without. How much to bring, what to carry it in, and how to make backcountry water safe.
Breathability numbers come from different lab tests that don't line up. Here's how to read grams per square meter and RET, and when to ignore both.
Manufacturer pages first, an authorized retailer when that isn't available. Each line links to where it came from.
Every page shows when the specs were last checked, and notes model-year or naming changes instead of hiding them.
Researched overviews are never presented as hands-on tests. How we research.
