This sneaker features a slip-on design with a breathable upper. Rubber sole provides reliable traction with each step. Fit note: For the greatest comfort, Vionic recommends wearing your new Vionic footwear for just a few hours for the first few days to allow your feet to adjust to the new level of orthotic comfort and support. 1st Ray Technology Features Increases the mobility of the forefoot and flexibility of the big toe joint for improved gait efficiency Advanced Motion System™ Features Breathable, lightweight upper Flexible stabilizing cushioned sole Podiatrist-designed supportive Orthaheel orthotic insert Product Details 1.75'' heel with 0.75'' platform Textile upper Man-made lining Rubber sole Imported ***shoes have 2 dirt smudges see photos #5 and #6 priced accordingly!***