The Geldarians are a race of incredibly intelligent, yet physically weak and fragile beings. To compensate for their frailty they have invented the Tech Jacket, a vest that every Geldarian is equipped with upon birth. A fully developed Tech Jacket is considered to be one of the most powerful weapons in the universe. Zack Thompson, through an event of sheer chance, has come to possess a Tech Jacket of his own. Now it appears that the fate of the entire universe rests on his shoulders as he learns that with infinite power comes infinite responsibility. Volume 2 marks the epic conclusion to the original Tech Jacket!

Zack Thompson: community college drop out, lives with his parents... This is who protects us from what lies beyond our world?! But he's also Tech Jacket, the self-styled "Galactic Guardian of Earth," and when a big-ass space ship enters Earth's orbit, Zack will face the greatest challenge of his life! Collects Tech Jacket (2013) #1-6.

In order for the entire galaxy to survive, Tech Jacket must join forces with his greatest enemies, which-face it-is no fun to do; neither is the destruction of everyone and everything he holds dear, so... Collects Tech Jacket #7-12.