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Wondering how On Running fits compared to Adidas Ultraboost? Use our instant size converter to find your exact equivalent size in shoes and clothes.
On Running and Adidas Ultraboost have different sizing scales. Our converter instantly calculates the difference based on official charts and real measurements.
Simply enter your On Running size in the converter above. It will automatically find the matching Adidas Ultraboost size in EU, US, UK, and CM.
No, On Running and Adidas Ultraboost often use different lasts and patterns. A size 42 in {brand1} might not correspond exactly to a 42 in {brand2}.