The New Balance 1540v3 running shoes provide exceptional cushioning and unrelenting support through miles and miles of hard work and dedication. 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 percent lighter than standard New Balance midsole foam, and delivers optimal compression set properties. ROLLBAR posting system prevents rear-foot movement. Blow rubber outsole. New Balance proudly states this style is made in the U.S.A. Measurements: Weight: 13 oz Product measurements were taken using size 8.5, width D - Wide. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.