Model [ MX857BK]New Balance 857 - Black - Men's Cross Training ShoesIf you’re looking for superior stability along with total comfort, the New Balance 857 cross-training shoe is for you. An evolution of the 850 series, the 857 has a powerhouse of stabilizing technological features like a ROLLBAR® with medial and lateral TPU posts for motion control, an external heel counter and a full EVA Strobel Board. In addition to these stability features, it offers N-ERGY® and C-CAP® for shock absorption and a leather upper and a Phantom Liner for comfort. Weight: 408 grams (14.3 oz) ROLLBAR® with Medial & Lateral TPU Posts for ultimate motion control Seamless Phantom Liner™ reduces the weight of the shoe plus enhances the comfort and fit Full-length N-ERGY® provides NB's most advanced shock absorption and cushioning ENCAP® midsole technology provides support and maximum durability C-CAP® midsole provides cushioning and support 11 mm drop: due to variances created during the development and manufacturing processes, all references to 11 mm drop are approximate Full EVA (Ethyl Vinyl Acetate) strobel board for all-day comfort External heel counter for rearfoot stability Forefoot flex grooves allow extreme flexibility Medicare / HCPCS code = A5500, may be eligible for Medicare reimbursement Non-marking outsole Leather upper Comfort zone for bunions Style MX857WN is approved Medicare/HCPCS code = A5500, and may be eligible for medical reimbursement.