Slips On, Stays On: A quick-cinch bungee closure creates a more secure fit around the foot.Sturdy Sole: Durable, higher-traction rubber outsole made for outside.Famous Comfort Fit: Iconic KEEN fit with generous space across your forefoot for toes to spread out.Non-marking rubber outsole leaves no traceLace-lock bungee systemEco Anti-Odor for natural odor controlRecycled PET plasticOriginal Fit?Iconic KEEN fit with generous space across forefoot for toes to spread outRecycled PET plastic upperHigher-traction rubber outsoleFleece lining for warmthRemovable PU insole for long-lasting comfort