What's most surprising is that a pair of Keen's prized hiking boots is currently selling for less than $90—it's the lowest price we've ever seen. Keen’s Circadia Mid Waterproof Hiking Boots ...

Read on for our full Keen Tempo Flex hiking boot review ... warm enough to work well as a three-season boot – if you already own a heavy winter boot, this is a nice second pair for more relaxed ...