Here are 20 of our favorite outdoor deals from REI’s Member Days Sale.

If you’re planning to go on a night hike, you’re going to need a headlamp. 93 at REIShokz OpenSwim Pro
The OpenSwim Pro offers up to nine hours of battery life, a robust IP68 rating, and a unique triple-sealed design that lets you use the open-style headphones both above the water or up to 2 meters below. 99 $464. 95 $159. 99 $139.