adidas | Shoes | Adidas Ultraboost Summerrdy White Running 。Product description adidas Ultraboost Summer.RDY Running Shoes For those hot, sunny days when you can´t wait for the weather to cool down, the adidas Ultraboost Summer running shoes allow you to keep your workout routine as usual. Featuring a completely redesigned upper, these shoes take all the Ultraboost 20s improvements to the next level to give you your best summer runs. Constructed from a monofilament mesh, the Ultraboost Summer.RDY´s tongueless Primeknit upper significantly increases airflow thanks to thin panels in the toecap and midfoot. These shoes heel collar gives you a sock-like feel for increased comfort when running.