Shop › BGS Basic Logo Knit Cap Image 1 of 2 Image 2 of 2 BGS Basic Logo Knit Cap $29.99 Port Authority Knit Cap with the Baker Grounds Studio logo on the front. Comes in green or black. One size fits all. Color: Green Black Add To Cart Added! Port Authority Knit Cap with the Baker Grounds Studio logo on the front. Comes in green or black. One size fits all.