The dark black trunks are meant for intense situations. Theoretically speaking, if you are a retired secret agent who gets a sudden call from the President of the United States because he needs you to keep your super-villain arch-nemesis from blowing up the NHL all-star game, you absolutely have to be SWASS free. With ultra-soft MicroModal material creating a bonafide concealed carry pouch for your glock, saving the world will come hand in hand with a moisture-wicked, uber-comforted grundle.