Korkers Buckskin Wading Boots — $139.99

With felt soles no longer allowed in Yellowstone National Park but still legal surrounding states, Korkers boots and their interchangeable soles are the perfect solution. The Buckskin comes with both felt and rubber soles, so you can switch soles in seconds depending on where you're headed for the day. It's lightweight and comfortable, and it won't leave you broke, either.