Evan Veneywrote a review of Castelli LW Head Thingy Neck Gaiter on January 27, 2018
Familiarity: I've used it several times
It stretches really well, is surprisingly wind-resistant, and comes in a few cool colors. It's long enough that it's versatile enough to use a lot of different ways. Mine didn't have any air hole to speak of by the way. I ordered the thermal one also.