Design: Crafted with a blend of textile and synthetics Torsion System between the heel and forefoot for stability Lace closure for a secure fit In-Shoe Comfort: Light Boost technology ensures lightweight cushioning for dynamic movement BOOST midsole delivers incredible energy return and instant comfort Durability & Traction: Continental(TM) Rubber outsole for secure traction in wet and dry conditions Additional Details: Midsole drop: 10 mm (heel 38 mm / forefoot 28 mm) Made in part with recycled materials