The 100% cotton Stargate Atlantis Denim Cap acts like a cloaking device against the Wraith. It is actually our only defense against those space-faring universe-threatening vampires. Well that and our movies; the Wraith can't figure out if our vampires are voracious cold blooded killers or abusive sparkly pretty boys! Yeah, it confuses me too. Inspired by the hit television show, the adjustable Stargate Atlantis Denim Cap has a belt closure for sizing and proudly displays the logo!