I Run - This new Ultraboost 21 is made with Primeblue, a high-performance recycled material made in part with Parley Ocean Plastic. 50% of the upper is textile, 92% of the textile
I Run - FREE GIFT FOR EVERY PAIR OF ADIDAS ULTRABOOST 21! Choose between the Training Waist Bag and Shoe Bag, and an additional Performance Bottle or a pack of Adidas Socks!
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iRun.ca - The Big Something-for-Everyone All-Purpose Hot Spring Shoe Guide (Home to Canada's running community and iRun magazine)
![iRun.ca - The adidas 4DFWD Reviewed By Reid Coolsaet (Home to Canada's running community and iRun magazine) iRun.ca - The adidas 4DFWD Reviewed By Reid Coolsaet (Home to Canada's running community and iRun magazine)](https://i0.wp.com/www.irun.ca/wp-content/uploads/2021/09/RC_adidas-4DFWD.jpeg?fit=600%2C447&ssl=1)