The classic UltraBOOST is back and its newest iteration features Suede & Leather Knit upper with synthetic, suede, and leather overlays and detailing for a premium look Torsion System in between the heel and forefoot for stability Molded heel counter for optimal achilles movement Supportive leather cage wraps the midfoot for support BOOST midsole offers unrivaled energy return Continental rubber outsole offer traction and grip on a variety of surfaces The UltraBOOST S&L is imported. Your favorite sneaker gets the S&L treatment in the Men's UltraBOOST S&L Running Shoes. Featuring everything you know and love from an UltraBOOST, these Suede & Leather updates are sure to get you noticed.