Who hasn't complained about leg room when they fly? Is it possible for a flight to be even more cramped with stand-up seats?
The seats are called Skyrider 3.0 and are designed by an Italian airline.
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The seats look similar to a bicycle seat but with back support.
The manufacturer says the goal is to give passengers more options. They call it "ultra-basic economy."
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So far, there isn't a lot of interest. The seats don't fit specifications for some common passenger jets.