Kai Burkhardt

Want more deals? Visit CNN Underscored's Guide to Prime Day for wall-to-wall coverage of the best discounts to be found during Amazon's massive sale.

I’m an outdoors editor and have tested dozens of bug sprays. Here are the best deals on repellents, traps, bug-resistant clothing and more.

Ninja’s viral frozen drink maker is at its lowest price ever this Amazon Prime Day. It sold out on Amazon yesterday, but we found it for the same discounted price.

I’m finding all the best REI deals so you can save on your summer adventures. From Hoka and Patagonia to The North Face and more, check out all the discounts now.

I’ve hiked hundreds of miles testing socks. Here are the 2 best hiking socks for comfort, support and more.

The Coast KL35R flashlight is so much brighter than the flashlight on my phone, small enough to keep on my keys and even has a couple of tricks up its sleeve.

I’m finding all the best REI deals so you can save on your summer adventures. From Hoka and Prana to Yeti and more, check out all the discounts now.

Seven testers logged hundreds of miles on mountain trails and dirt paths to find the best trail running shoes. Here are the 3 best pairs.

I talked to trail running coaches and tested gear myself to find the best trail running gear, whether it’s your first time out or your hundredth race.

I hiked dozens of miles in 9 hiking daypacks and tested them for comfort, capacity and more. There’s only 1 you should buy.