This hydration backpack will help you beat the heat

Save 68 percent on this BPA-free water carrier.

In this punishing summer heat, it’s really easy to get dehydrated. When your body doesn’t have enough water, your performance level drops. The Hydro-Pro Hydration Backpack offers a simple solution for hikers and athletes. This compact backpack can hold enough H2O to keep you going all day, along with a few essential extras. You can get yours now for $15.99 at the PopSci Shop.

Of course, it’s possible to carry a water bladder in your regular backpack. But if you’re out running or cycling, that extra bulk is going to slow you down. By contrast, the slimline Hydra-Pro keeps weight to a minimum. It also has adjustable mesh straps to lighten the load and a reflective trim to keep you safe at night.

There are three capacities available: 1.5 liters, 2 liters and 3 liters. In each case, you a flexible drinking tube attached to a BPA-free bladder. This means you can take regular sips without stopping. In addition, this backpack has a built-in emergency whistle and side pockets for your phone and snacks.

It’s worth $49.99, but you can get the Hydra-Pro (1.5l) now for just $15.99.