Originally Posted by
grolby
I trained and then raced with taped up vents for much of the early season last year. It really does keep you warm. This year I put a cycling cap under my helmet, cleaning packing tape adhesive off of your helmet is a huge pain. Also, months old tape on a helmet looks super gross.
I think sheldon brown used to do this... I dunno if it was for warmth or to keep Igor from flying away.