Isaac Clarke can always use another suit in Dead Space 3! Check out Isaac and Carver's N7 Armor inspired by Mass Effect's Commander Shepard.
To get the N7 armor you simply need to have played Mass Effect 3. Here are the instructions on how to get your very own N7 armor for Xbox 360, Playstation 3 and PC:
Play Mass Effect 3 and make sure you have a save file.
Purchase and play the full game of Dead Space 3.
Equip N7 armor and look awesome!