SKU 9221551 Predecessor: 1540v2. Our 1540v3 is kitted out with technology that helps deliver mile-after-mile stability and combat overpronation. It's made with two layers of performance foam that offers superior support and a soft rebound. Designed with an ENCAP and Rollbar midsole technology, this runner offers rear foot movement control for feet on runs from 5K and beyond. Medicare/HCPCS code = A5500 diabetic shoe. Differential: 10 mm. Designed for the severe overpronator who requires a combination of maximum stability and cushioning. Mesh and synthetic upper materials provide a combination of breathability and structural support. No-sew upper application for added comfort and a reduced likelihood of irritation. Plush tongue and collar. Dual-density foam at the collar for a great in-shoe feel. Soft fabric lining offers next-to-foot comfort. Removable foam footbed. Polyurethane insert. ENCAP® midsole features soft EVA cushioning and a tough polyurethane rim for enhanced support and durability. ACTEVA™ LITE is 24% lighter than standard New Balance midsole foam, and delivers optimal compression set properties. ROLLBAR® posting system prevents rear-foot movement. Blow rubber outsole. Imported. Product measurements were taken using size 8.5, width D - Wide. Please note that measurements may vary by size. Measurements: Weight: 13 oz View Zappos.com Glossary of Terms New Balance 1540v3