adidas SL20.2 Men's Gray/White/Gray The adidas SL20.2 is ready for speed! A perfect running partner, this lightweight daily trainer adds responsiveness to every run. Burst forward with unrestricted speed under the Lightstrike midsole. A flexible mesh upper and high-traction rubber outsole support every step as you chase after your goals. Shoe Technology Upper: Flexible mesh upper is made with 50% recycled materials for sustainable comfort. Midsole: Lightstrike midsole provides a light and responsive ride to move you forward. Outsole: Continental™ outsole delivers high-level traction to support every step.