Asics x JJJJound GEL-Quantum 360 1 AMP Sneakers in White / Marshmallow. This collaboration is a nod to the shoe's visual-technology heritage. It features an all-white upper with an off-white midsole and back-heel overlays. Subtle white reflective webbing eyelets provide the only pop of color, allowing the model's vis-tech heritage to take center stage. The shoe is constructed with a mesh upper, leather overlays, TRUSSTIC Technology, FF BLAST PLUS ECO Cushioning, GEL® Technology, and a rubber outsole. The style code is 1203A960-100.