The Troll Socks 90's Vintage XO Smile Backs collection were designed with bright colors reminiscent of those in the late 80's and 90's. Loud colors, and Miami Vice stripes and pyramids make for the perfect marriage of clash and blend. Add these socks to your collection to spice up your outfits and infits! Great holiday gift deal: buy 4 pairs get 1 free across whole site!