Werewolf Premiums feature chocolate brown fronts, reflective gold lenses, and glow-in-the-dark arms, in addition to all the normal features of Knockaround Premiums. Only twenty pairs were produced; each pair comes in a special box with a werewolf-trimmed carrying case and a numbered edition card. Slip these on, sharpen up your claws, and you'll look great running with any pack. Edition of 20 Hand-numbered card proves authenticity UV400 protection FDA approved impact resistant lenses Matte finish fronts, semi-gloss glow-in-the dark arms