The New Balance WW847 GR2 is an athletic women's lace up walking shoe that is the ultimate in comfort and motion control. New Balance WW847GR2 Grey/Pink Synthetic/Mesh Women's Shoe Features include: 12 mm drop: due to variances created during the development and manufacturing processes, all references to 12 mm drop are approximate LIGHTNING DRY liner keeps your feet dry and comfortable as you train Medicare / HCPCS code = A5500, may be eligible for Medicare reimbursement Ortholite collar foam Ortholite heel foam Ortholite tongue foam Ortholite foam insert delivers odor resistance, long term comfort, and superior breathability. PU strobel board Rubber outsole Synthetic/mesh upper 847