Summit vattenflaska med sugrörslock

Left it in the car during a scorching afternoon, and the water was still icy-cold hours later—the double-walled insulation really does its job. The straw lid clicks shut securely, and I’ve tossed it in my bag without a single leak so far.

I was skeptical about the leak-proof claim, but after tossing this in my bag with the straw nozzle up, not a single drop escaped—huge relief. The double-walled insulation actually keeps my water refreshingly cold through a full afternoon hike without any condensation on the outside.

This bottle keeps my water ice cold even after sitting in a hot car for hours, which is exactly what I needed. The straw lid is completely leak-proof when closed, so I can toss it in my bag without worry.