Built to go the distance, the Reebok ZPrint Run Smooth Ultraknit combines lightweight speed with cushioned comfort. Jacquard woven upper for a snug, comfortable fit and lightweight feel. Removable Ortholite sockliner with antimicrobial properties. EVA midsole for lightweight, responsive cushioning in every step. Rubber outsole for durable traction on any surface. Wt. 6.9 oz.