Primeknit upper for a snug fit Sock-like construction hugs the foot for all-day comfort Summer. RDY manages heat on warm summer days BOOST cushioning for cushioned comfort Stretchweb outsole with Continental Rubber 10mm midsole drop The adidas UltraBOOST Summer. RDY is imported. Warm summer days call for something new. Step out in the Men's adidas UltraBOOST Summer. RDY Running Shoes and experience lightweight comfort that allows for enhanced breathability no matter where your day takes you.