Taking their inspiration from 80s tennis shoes, the unisex GSM shoe by ONITSUKA TIGER is bringing retro back. Onitsuka Tiger GSM shoes is With an upper crafted out of soft leather and suede and a perforated design, this lifestyle shoe allows the feet to breathe in comfort, making them a great choice for wearing in any situation - from running errands during the week to trips to town on a weekend. Wherever you're heading and wherever you want to go, let the GSM shoe take you there.