The Nike Dunk Low Smoke Gray Gum 3M Swoosh features a leather and suede upper. The base is made of white pebbled leather while the overlays are made of smoky gray suede, the heel tabs and the internal fabric lining add a touch of sophistication. The 3M reflective leather Swooshes and tongue overlay feature a darker shade of grey. In the dark, the laces also show a gray and white reflective spotted pattern, while the rubber sole completes the design of the sneaker.