Originally Posted by ZHVelo

Do you have to wear something cycling specific?

Personally if it isn't that cold, I just wear normal jersey with arm covers, and then when it does get cold a long sleeve sports shirt (I have one from Nike, and one from Oddlo that I also use for XC skiing) and a yellow high viz jacket that is also wind and rain proof. And if that's too cold, I don't ride outside. Although to be fair I hardly ever even wear that, I just use the trainer for half a year or so.