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The Adidas Ultraboost 21 is a medium firm, highly cushioned trainer with a very stable ride. It is incredibly well built and capable of at least 1000 kilometres of running.
Fans of the Ultraboost will love the Ultraboost 21. It has a more modern design and manages to improve the core features that made the Ultraboost so popular to begin with.
If you're looking for a do-it-all trainer that can double up as a casual, lifestyle sneaker, there is nothing better than the Ultraboost 21. iRun offers free customisation and 10% discount.