Find NEW BALANCE Size? X 878 on Editorialist. Unveiled in October 2019, the size? x 878 sneaker is a collaboration between UK-based size? and New Balance. The 'Multi-Color' upper flaunts a mesh and leather base in blue and adds swaths of green, yellow, grey and salmon for maximum visual impact. Offering cushion in the heel and the forefoot, ABZORB technology resists impact with each step. A full-length rubber outsole delivers traction below while embroidered branding on the tongue and along…