(For the record, Hydro Flask doesn't recommend these for kids under 3 years old.) I recognize that kids don't much care if their water stays cold for 24 hours (although it will in this vacuum ...

SAVE $13.98: The 40-ounce Hydro Flask Travel Tumbler in pink Valentine's Day shades like Zinnia, Camilla, and Bayberry Ombre ...

Hydro Flask has slashed up to 35% off its popular water bottles and tumblers — but this is the last chance to grab these ...

Then, over the course of several months, I got to testing: on sweltering days, long car rides, and commuting around the city, swapping out my Hydro Flask (my personal favorite and our best overall ...