BART went with vinyl because the riders were really uncomfortable with the old wool ones: https://www.citylab.com/transportation/2012/04/how-bart-finally-decide

BART went with vinyl because the riders were really uncomfortable with the old wool ones: https://www.citylab.com/transportation/2012/04/how-bart-finally-decided-replace-its-bacteria-covered-gross-old-seats/1679/ https://www.citylab.com/transportation/2012/04/how-bart-fina...