I've been skiing 40 years, and Giro Spherical Orbit is by far the best of everything for me in terms of helmets and goggles.The onyx lens works well both in bright sun, but also on cloudy/snowy days too. I've never had an individual goggle lens that worked well in both extremes. I think the other lenses for this helmet are probably too clear for bright sun.While some reviews mention problems in snowy weather, I found no such issues. I made sure my vents were closed (this helmet has three, and two are right over the eyes). Falling snow can get in if the vents are open. Also, I made sure lens was fully locked into place. Positioned correctly, there is no gap for snow between the lens and the helmet. I had no snow leaks, and minimal to no fogging. Best no-fogging performance I've ever had in a lens.The peripheral vision with this setup is by far the widest available. Really big field of view. There is also plenty of room for eyeglasses worn underneath the visor. My wife also has this helmet and wears glasses very comfortably underneath.Helmet is very comfortable. Great padding over the ears. Kept my head warm, and never too warm. The adjustability of the helmet around one's head is excellent, using the dial at the back. Really fits well.

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What to love about this helmet: 1) It has amazing peripheral view compared to normal goggles. Seriously, you look around and just see so much. 2) If you wear eyeglasses, you will like the attached goggle's quick pull, rotate, and close feature. The goggles settle in comfortably around your face and the bridge of your nose. 3) You can change out the lens for different light conditions by purchasing replacement lens. To remove the lens, you press the braille-like dots on both sides to pop it off. 4) The helmet is super comfortable and warm. You can also adjust the fit. 5) The magnetic chin strap is so easy to use. No more struggling. So, what else? For me, this is an awesome helmet because I can now wear my eyeglasses while skiing. But, is it a good helmet for skiing in humid or snowy weather?? It can be if you prepare ahead, otherwise, it might frustrate you. Here’s why. When you wear a facemask or buff covering your mouth and nose, this keeps your breath close to your face, forcing it up and into the lens. On humid days, I’ve discovered that this will easily fog the lens. To get around this problem, I use double-sided body tape on my facemask (NOT talking about the padding around the lens, here). There's no shortage of body tape on Amazon. Before heading out, I take my facemask and lay it flat on a table. I don’t contour it because this will interfere with placing the tape, correctly. Then, I cut a strip of body tape to cover two-thirds of the mask along the metal bridge and secure it in place to the mask. I don’t remove the tape backing, though. With the tape backing still on, I practice conforming the mask to my nose and face in front of a mirror. Then, when I arrive at the ski resort, I remove the tape backing and secure the mask to my nose and face. If done correctly, it reduces the amount of moisture traveling up and into the lens. Note: I try to make sure that the body tape doesn’t creep out from beneath my facemask because it could easily stick to the lens padding and damage it. Anything else? Don’t hit the slopes with damp hair and this helmet. No matter what position the goggle/lens is in (up or down), the moisture evaporating off your head will fog the lens. And, finally, make sure you have a lens fog cloth ... just in case.Feb 6, 2021 Update:Going to the Hardware Store for Some Weather Stripping: I truly love this helmet, but, frankly, it is not an All-Weather Helmet. My partner and I have had the opportunity to ski with two of these helmets in most weather conditions, now. I purchased the medium for me and the small for her. She has stopped wearing hers when it snows. Unfortunately, given the way the helmet is designed, you cannot keep the snow and wind out. And when your lens fills up with snow and frozen fog on the inside, do you really want to have to take your helmet off in the snow and wind to try to clean it out? No! But, that is the only way to deal with it once the snow and fog settles in. See attached picture. I’m not sure if the designers were really thinking about bad weather when they created this helmet, but, before I wear it again in bad weather, I plan to weatherize it with weather stripping from the hardware store. Stay tuned!February 7, 2021 Update:On your perfect blue-sky ski day, this is your perfect helmet. No fog. No issues. Just loving it!