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adidas Ultra Boost 21
The Ultra Boost receives a reinvigorated update with the adidas Ultra Boost 21. Featuring an upgraded Torsion system which allows for 15% more bend for a more responsive run, the integrated Primeblue high performance material weaves in 75% of recycled material into the textile. Giving you that explosive feeling, Adidas integrates 6% more BOOST capsules into the midsole for even more energy return. Innovation never stops when it comes to Boost and the adidas Ultra Boost 21 is another leap forward in footwear innovation. Shop the range below at JD Sports.