Features of the Keen kids' Chandler CNX Waterproof Shoe Performance mesh and synthetic Upper Children and tot's sizes have adjustable hook-and-loop closure Secure-Fit lace-capture system Padded collar and tongue for comfort Breathable mesh liningmetatomical molded eva Footbed Reverse strobel construction for seamless Footbed Contoured arch for midfoot support Non-marking, multi-directional traction rubber Outsole for grip