Women's Kosa Mary Jane Sandal | KeenAll seasons, all weather, all comfort, all plans. High rebound cushioning with KEEN. CURVE for all day propulsion, plus a versatile, ethically sourced leather upper with adjustable buckle closure. Features Contoured 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 Adjustable tarsal strap for a secure fit High rebound foam