adidas' premium shoe for lightweight speed, the adizero Ubersonic 4.1 takes the key design features of the Ubersonic 4, and has significant improvements to increase the overall comfort, fit, and durability. Built off the same last as the Ubersonic 2, you will find a glove-like fit and contoured feel.
https://www.tennis-warehouse.com/adidas_adizero_Ubersonic_41_White_Black_Mens_Shoe...