Keen and Merrell are both incredibly popular brands that design and manufacture leisure footwear. In this review, we will focus on their hiking shoes, to help you find the best option for your needs. And all of the footwear that you read about here is really the best of the best and praised by thousands of happy owners. Both brands have developed certain technologies that they use consistently in their footwear. First, there are the waterproofing technologies:. Obviously, the first of those two is used by Keen, and it is found in all of their waterproof shoes.