The Stark is the best combination of stability and slip resistant traction that Propet offers. Leather upper with a roomy toe box providing toes space to spread out improving stability Age - Adult Care Instruction - Spot Clean Insole Description - Soft cushioning PU for even wear with comfort ridges in forefoot and memory foam topper Insole Material - PU Outsole Description - Supportive EVA midsole with slip resistant rubber outsole for a long lasting smooth stride Outsole Material - Rubber Product Closures - Lace Season - Carryover Size Description - M = Medium (D) W = Wide (E) 3E = X-wide (3E) 5E = XX-wide (5E) Size Fit Information - True to Size Waterproof - Not Waterproof Heel Height - 1.5 Use - Walking Technologies Medicare Approved:These styles have been approved for reimbursement under the Medicare Therapeutic Shoes for Persons with Diabetes Benefit (also known as the Therapeutic Shoe Bill). Removable Footbed:These styles feature footbeds that can be removed to accommodate custom orthotics. Slip Resistant:Our specially designed outsoles provide high grip and traction. These styles have been tested for slip resistance on vinyl and quarry tile floors. The test results are listed with each model.