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adidas Ultraboost 21 runs a little smaller, we recommend going up a half size for a regular fit.
For adidas trainers we generally recommend taking your usual trainer size, however, if intending to use for running, you may want to size up by half a size for a more comfortable fit.
If you have any questions or need help deciding, that’s what we’re here for! Please contact our customer service team who would be happy to assist - email us firstname.lastname@example.org or call us on 0203 793 0964.
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