ULTRABOOST 23 trainers from adidas by Stella McCartney featuring white, logo print to the side, panelled design, pull-tab at the heel, round toe, front lace-up fastening and oversize rubber sole. Conscious: We've partnered with Good On You – an ethical agency that rates how sustainably brands perform. This product comes from a brand that performs well in relation to their impact on animals.. Size and Fit - Heel 1,8 in / 4,5 cm; Platform 0,4 in / 1 cm