You can heat them easily, I have done it a few times and was actually just looking at the latest stuff...you can now add cooled seats, power lumbar and even massage too in case you want to pretend it's a Range Rover. I just ordered the Heated/Cooled setup from Amazon. I plan to start playing with them when they get here. I've heated seats several times, but this will be a first. I think it will be nice since the AC is never great and I won't be adding it immediately anyhow.
"I have taken more good from alcohol than alcohol has taken from me." - Winston Churchill