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    UltraBoost 21 Black Iridescent
    UltraBoost 21 Black Iridescent
    UltraBoost 21 Black Iridescent
    UltraBoost 21 Black Iridescent
    UltraBoost 21 Black Iridescent
    UltraBoost 21 Black Iridescent
    UltraBoost 21 Black Iridescent
    UltraBoost 21 Black Iridescent
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    2021

    UltraBoost 21 'Black Iridescent'

    1. adidas /
    2. sneakers /
    3. UltraBoost 21

    The adidas UltraBoost 21 ‘Black Iridescent’ pairs a responsive ride with a sustainable build. Made in part with Parley Ocean Plastic, the black Primeknit upper is fortified with translucent TPU on the external heel counter and midfoot cage, the latter accented with three-stripe branding in an iridescent bronze finish. The sneaker rides on a full-length Boost midsole that packs 6% more Boost capsules than the shoe’s predecessor. Underfoot, a Continental Rubber outsole yields grippy traction.

    Release Date10-31-2021
    SKUGX5236
    NicknameBlack Iridescent
    ColorwayCore Black/Core Black/Grey Five
    Main ColorBlack
    Upper MaterialPrimeknit
    TechnologyBoost
    CategoryRunning