The adidas Ultra Boost Undefeated Blackout is a shoe collaboration between adidas and Undefeated - a streetwear brand based in Los Angeles. The Undefeated Blackout adidas Ultra Boost has an upper that is made from a blend of synthetic materials, Primeknit, and leather - ensuring breathability for your feet. The Undefeated logo is featured prominently on the tongue, with flat black laces completing the lacing system. The midsole is designed with Boost technology to provide cushioning and energy return. The outsole features Continental Rubber and has a rugged, multi-surface design - with a pattern of grooves that ensures that the shoe can be used in a variety of different conditions, as it offers grip and durability. The collar is padded for added comfort, and the toe box is reinforced with hard leather to give a secure and roomy feel. The adidas Ultra Boost Undefeated Blackout was released on June 28, 2019 at a retail price of $200.