Firefly Keep Calm T-Shirt

Firefly Keep Calm T ShirtGive your friends a "shiny" laugh wearing this funny Firefly t shirt! The Firefly Keep Calm T Shirt is dark brown. It features an orange outline image of the knit cap worn by mercenary Jayne Cobb on the TV series Firefly and the movie Serenity, with the words "Keep Calm and Bring Grenades" in orange letters. "Yeah, grenades cost extra." - Firefly Keep Calm T-Shirt