Water-repellent upper for outdoor jaunts in any weather Upgraded Primeknit textile upper conforms to the foot Speed lacing and regular laces lock you in BOOST foam cushioning is ultra-light and cushy Adaptive Stretch Web Continental Rubber outsole The adidas UltraBOOST WINTER. RDY is imported. Built for speed in inclement weather, the Men's adidas UltraBOOST WINTER. RDY Running Shoes are your go-to choice for rainy days that cause slick surfaces. A water-repellent upper and Continental Rubber outsole team up on these all-weather kicks.