Seat, particularly for public transportation

A seat having a carrying frame and a support unit connected thereto, said support unit having a base frame as well as an elastic cover held thereon, said elastic cover being made of a single-piece knitted fabric and is fastened and pre-tensioned on said base frame as a self-supporting structure and said knitted fabric having a knitted fabric width between left and right longitudinal edge regions of said knitted fabric defining a length of said elastic cover in a longitudinal direction, and said cover forming a support surface having a seat region and a back region, wherein said cover is configured to be continuous in said longitudinal direction between said seat region and said back region and said knitted fabric forming said cover has a plurality of zones with different properties with respect to one another located consecutively in said length of said cover, of which at least one zone has a greater elastic deformability relative to the other zones, wherein said zone having the greatest elastic deformability is formed between said seat region and said back region, and wherein on both sides between said zone forming said seat region and said left and right longitudinal edge regions a strip-shaped edge section is arranged and the knitted fabric forming said strip-shaped edge sections has the same properties as said zone having the greatest elastic deformability.