Right now, during Amazon’s Spring Sale, the Yeti Hopper M15 soft cooler, our favorite tote cooler, is on sale for 20% off.

According to Nathan, the insulation helps the water stay 20% cooler than other bottles. There are also reflective elements to the design of the running phone holder, which is handy when running in ...

but a variety of premium water bottles include customizable lights (they’re actually cooler than you’d think), smartphone app connectivity, and even built-in water purification. Some bottles ...