Lace closure adidas Primeknit upper BOOST midsole Textile lining Continental Rubber outsole Icons Collide. For This Version Of The Ultraboost, We Pulled Inspiration From Our Cult-Favourite Adidas Climacool Shoes. Wear These Running Shoes For Your Daily Miles Or As Everyday Trainers. The Soft Adidas Primeknit Upper Features Aerodynamic Air Channels, Keeping You Cool When The Temperature Rises. The Boost Outsole Offers Comfort You'll Have To Feel To Believe.