Lounge in the comfort of your fallout shelter, or home, in this Vault 111 Men's Union Suit! Based on the outfit worn by vault dwellers in the hit video game Fallout 4, this comfy 100% Polyester one piece pajama features a blue and yellow color scheme along with the number 111 on the back. Lounge wear has a zip up closure and ends at the ankles. Standard men's sizing.