We use a cheap Schwinn gel cover that we had kicking around in the garage, like this
https://www.amazon.com/Schwinn-Crui...=schwinn+gel&qid=1623346892&sr=8-3&th=1&psc=1
funny enough, Peloton has a support page where they specifically recommend Schwinn seat pads if so inclined. But I see they mention the wider cruiser oriented pad, although I’m not sure that’s really appropriate for this application. We have the 8” sport version
support.onepeloton.com
If you look around you may find something better, but I find it works fine.
https://www.amazon.com/Schwinn-Crui...=schwinn+gel&qid=1623346892&sr=8-3&th=1&psc=1
funny enough, Peloton has a support page where they specifically recommend Schwinn seat pads if so inclined. But I see they mention the wider cruiser oriented pad, although I’m not sure that’s really appropriate for this application. We have the 8” sport version
Padded Shorts and Seat Covers
Padded Bike shorts are not necessary, but they can add a little extra comfort for newer riders who are still getting acclimated to frequent rides. We offer cycling shorts on our Apparel website tha...

If you look around you may find something better, but I find it works fine.