Review on The Ultimate Ski Mask: The Friendly Swede Balaclava Face Mask For Men And Women - Perfect For Standard, Nordic, And Arctic Conditions! by Charlie Maadhadians

Even the "nordic" one isn't super thick, but there are TWO of them! You can double up if you want super cozyness. I'm usually moving when I use these, so I actually like this weight of fabric. Super soft, stretchy, and comfortable! I've used a balaclava for years for winter cycling, snowboarding, hiking, running, and generally not freezing my face off in the winter. These are super versatile, and can also be used as a neck gaiter or hat. It packs very small, and can easily fit in a pocket. Unlike my old one, these have flat lock seams and a cool design that makes them more comfortable worn "ninja style" or with your face uncovered. (look at the product photos to see how the overlapping layers of fabric work. It's really great!) I especially like that I can wear this product without leaving a line down the middle of my forehead when I take it off. Hopefully, these will hold up well, but only time and use will tell.My guess is that the other weight (non-nordic) is mainly for sun protection?