Pros: Comfortable and protective
Cons: not nearly dark enough for bright sunlight
I wanted some premium sunglasses that I could use on the motorcycle day and night and for variable light conditions skiing. I selected the Panoptx 7Eye Maestro for their reputation as protective glasses that block wind, debris and hopefully snow in winter. I got the 24:7 gray lenses in a Maestro Black Tortoise lens.
The glasses came with both a hard and soft carrying cases, and adjustable straps to help hold the glasses on in wind or a fall. The lenses are photochomatic polycarbonate and are designed to hold up to impact and sports activity. They are treated with anit-fog coatings. My only complaint on these is that they don't get quite dark enough in full sun, but do provide fair to good solar protection, and could be good for variable light on north-facing ski slopes. The lenses lighten enough to allow the glasses to be worn indoors or at night. They are surprisingly clear and comfortable. The frames are large and seem very durable.
I recommend these glasses, but if you don't need sunglasses that lighten in shadow or the evening, save the extra money and get the tint polarization you want rather than the 24:7 lenses.