The 6 Best Hydration Packs

This full-featured pack let us carry big loads in comfort.

This roomy option is a sweet deal for bargain hunters.

This all-around pack performed well in every category.

The biggest pack in the test also has one of the best-performing hydration systems.

A taut, trampoline-style backpanel provides best-in-test ventilation.

The test’s best trail running pack boasts smart pocket design.