Our new built-in flex creates less resistance, bending where other boots crack and weaken over time.
BUILT TO FLEX EASIER
KEEN.BELLOWS FLEX technology
Flex easier, hike happier
Flexes where you do
Room for your toes
One million flex tested
KEEN.BELLOWS FLEX requires 60% less energy to bend, making each step feel easier.
Our iconic KEEN fit with generous space across your forefoot for toes to spread out.
Bends where other boots crack and weaken over time.