Ultraboost 4.0 'Ash Pearl' Lace Swap Recommendation:
UltraBOOST era is not ending anytime soon. Take a look at one of Adidas's newest release of the 'Ash' Pearl'. This release is targeted primarily for females but have sizes available for both female and males.
The key differences to note in the 4.0 is the prime knit pattern that resembles the 1.0 collection. Adidas has also changed the translucent cages in the 3.0 back to the solid cages for the 4.0's.
DoctorLaces recommendation lace swap for the UltraBOOST 4.0 'Ash Pearl' is the Pink 3M Rope Shoelaces - 36".