As seen on It's Always Sunny In Philadelphia Season 14, Episode 4 "The Gang Texts"
Mac wears it during his shennanigans around the Philadelphia Zoo.
Legend has is it, back in the 1970's & 80's J. Dwight & son House Grown Saplings and shrubs were supplying the greater west side of Columbus with the finest greenery in the Mid-West. Their legendary Family Banana Trees have spanned generations and have since become a staple.