adidas Adizero Boston 12 Running Sneakers - Black | Free 。The Adidas Adizero Boston 12 is a versatile, lightweight (~9.1 oz) \"super trainer\" designed for daily, mid-to-long distance, and tempo running. It features a responsive Lightstrike Pro and Lightstrike 2.0 midsole, carbon-fiber ENERGYRODS 2.0 for propulsion, and a durable Continental rubber outsole. It is highly praised for its comfortable ride and improved, lighter, and more versatile design compared to the 10 and 11 versions. Key Features & Performance: Midsole Technology: Combines soft, premium Lightstrike Pro in the forefoot for cushioning and bounce with durable Lightstrike 2.0 EVA in the heel for stability. Propulsion: Uses glass-fiber ENERGYRODS 2.0 to reduce energy loss and provide a snappier, responsive feel, making them ideal for faster paces. Outsole: Continental™ rubber provides superior grip in various conditions. Upper: Lightweight mesh that provides a secure, race-day feel, though some users find the tongue thin and the upper fit rigid. Ride: Offers a smooth, rockered, and stable ride, suitable for both daily training and speed sessions. Fit: Generally true to size with a comfortable, slightly wider toe box compared to previous models. Men’s size 13, Euro 48, excellent condition with less than 25mi of use.