CONSCIOUSLY CREATED: Recycled PET off-set laces which are better for the environment and the comfort of your foot FIT: KEEN Contoured Fit curves with the natural shape of the foot for a more secure fit COMFORT: KEEN.CURVE provides a constant curve from toe to heel for nonstop propulsion CUSHIONING: Removable footbed provides excellent arch support and cradles to the natural contours of the foot TRACTION: High traction rubber helps give you the sure footing needed on varied trail terrain