I think if you're wearing a proper lightweight jersey designed for wicking and not for aero etc then there's no need for a base layer, but 90% of jerseys aren't that great at wicking so having a layer to help that makes sense.
@chiroshi started
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I think if you're wearing a proper lightweight jersey designed for wicking and not for aero etc then there's no need for a base layer, but 90% of jerseys aren't that great at wicking so having a layer to help that makes sense.