Originally Posted by
Walter
Good point and definitely worth considering. I've given myself headaches with too tight of a cycling cap on under the helmet.
On a related note, I had terrific headaches with one pair of sunglasses that didn't fit right. The were constantly sliding down my nose, so I had to scrunch my face a bit to keep them in place. Scrunched face + three hours = artificially induced migraine. Took me a depressingly long time to diagnose this problem, but at least it was easy to solve...