New Balance Men's M587 Running Shoe 100% Synthetic Made in the USA and Imported Synthetic sole Heel measures approximately 1.5" Platform measures approximately 0.75" ABZORB cushioning and compression set features with Dupont Engage and Isoprene rubber ROLLBAR TPU posting system minimizes rear-foot movement TS2 motion control system ENCAP midsole cushioning with a PU rim for more support and durability C-CAP compression-molded EVA midsole cushioning and flexibility