You'll want to walk more than a mile in these shoes. Featuring motion control, stability, support and cushioning, the New Balance 847 walking shoe promotes wellness from all angles. 12 mm drop: due to variances created during the development and manufacturing processes, all references to 12 mm drop are approximate. 3M Reflectivity. LIGHTNING DRY liner keeps your feet dry and comfortable as you train. Medicare / HCPCS code = A5500, may be eligible for Medicare reimbursement. Ortholite foam insert delivers odor resistance, long term comfort, and superior breathability. Rubber outsole. Synthetic/mesh upper.