Hydration’s become more than a necessity. It’s got a personality. Bottle basics Kit Dillon, a writer for Wirecutter, says four things make a good water bottle: “It’s the right size.

Hydration’s become more than a necessity. It’s got a personality. Kit Dillon, a writer for Wirecutter, says four things make a good water bottle: “It’s the right size. It’s leakproof.