WATERPROOF Saltresistant leather and KEENDRY waterproof breathable membrane keeps your feet dry in wet terrains The Circadia boot has a mesh liner that integrates with the waterproof membrane FIT MATTERS Our iconic KEEN Original Fit gives generous space for toes to spread out Contoured heel lock for a more secure fit TRACTION Grippy rubber helps give you the traction you need on varied trail terrain COMFORT KEEN LuftCore technology embeds a light airinjected core into highdensity foam for comfort that lasts all day Notch in the back of the collar for Achilles comfort CLOSURE Speed hooks allow for easy lace adjustment and improves your ability to easily get the footwear onoff