adidas Men's Alphabounce Em M Running Shoe Textile and Synthetic Imported Rubber sole Shaft measures approximately low-top from arch Weight: 11 ounces (size 9); runner type: neutral; midsole drop: 10 mm (heel: 22 mm / forefoot: 12 mm) Bounce provides energized comfort for all sports, all day Engineered mesh upper is a lightweight, breathable second skin providing a supportive, comfortable fit Sock-like construction for snug fit; textile lining for comfort; molded eva heel clip for added heel support Rubber outsole provides excellent grip