The cooler itself warms up and then conducts that heat into anything touching the inside walls ... then put the ice cream in.

Katherine Alex Beaven is a Los Angeles-based travel, food and drink, and culture writer.

One of my favorite MVPs this season was a portable soft cooler: the Titan by Arctic Zone Deep Freeze 30-Can Ice Wall Backpack Cooler ... everything packed into one bag. The two side pockets ...