Keen Women's Hightrail WPContoured Fit follows the contours of your foot for a comfortably snug fit KEEN. CURVE provides a constant curve from toe to heel for nonstop propulsion Contoured arch for midfoot support Tie lace system High rebound foam cushioning enhances comfort and movement Removable, resilient foam insole for long lasting cushioning Higher traction rubber outsole Multi directional lug pattern provides superior traction Full length nylon plate for added stability