There is an about a 1.5-size difference between men's and women's sizing. For example, a women’s size 9 is about a men’s size 7.5.
Los Angeles-based sneaker retailer Undefeated teamed up with adidas once again for the collaborative UNDFTD x UltraBoost 1.0 'Triple Black.' Released in March 2018, this iteration of the UltraBoost 1.0 sports a stretchy, form-fitting Primeknit upper, decorated with Undefeated branding. The runner is strengthened by a molded Fitcounter heel, a Three-Stripes midfoot lacing cage and a full-length Boost midsole.