Adizero's latest and lightest-yet racing shoes, the Sleeveless Running Lightstrike Shoes propel you to new speeds. Thanks to a super-light midsole infused with adidas' Lightstrike cushioning, each stride feels fast yet resilient. Continental™ Rubber gives extraordinary traction on any road. For serious runners chasing personal bests, the Adizero helps push past limits once thought impossible. Designed for maximum energy and minimum weight, these shoes redefine speed. This product features at least 20% recycled materials. By reusing materials that have already been created, we help to reduce waste and our reliance on finite resources and reduce the footprint of the products we make.