Perfect for sharp accelerations, the adidas Adizero Boston 12 offers the responsiveness and stability needed for your interval and tempo training. Make the most of your fast runs with the unparalleled support of the adidas Adizero Boston 12. Midsole Lightweight cushioning with increased energy return is provided by the foams Lightstrike 2.0 and Lightstrike Pro. With this combination of foam materials, the Adizero Boston 12 can be used during tempo training and competitions. Lightstrike 2.0 provides more stability and good ground contact with every step you take, while Lightstrike Pro ensures high energy return. The adidas Adizero Boston 12 has EnergyRods 2.0, carbon tubes that mirror the metatarsal bones and follow the anatomy of the forefoot. The Energy Rods reduce energy loss during push-off. This results in high energy return and an explosive push-off to the forefoot. Upper The upper is made of technical knitted mesh. The breathability of the upper keeps your feet comfortable. The upper also consists partly of recycled materials. This is one of the ways adidas tries to make its products more sustainable. Outsole This model features premium Continental Rubber, an innovative type of rubber that offers good grip and traction with every step you take.