User blog comment:Master Sima Yi/Assassinews 05-08-'14 – Assassin's Creed: Rogue announced/@comment-4786308-20140813083125/@comment-3046679-20140813141743

Assassins penguins, sons.

Also, the hood is probably optional item. Like I said, he straightens his coat's collar upwards during the infiltration, similar to how Ed put up his hood.