Last fall, we gathered a crew of Lake Tahoe, California-based testers with a range of interests—trail running, cycling, fly-fishing, climbing, nordic skiing, and more—gave each several pairs of sunglasses, and told them to play hard. They broke frames, fogged up lenses, and put the more than five dozen shades to the test on trails, roads, and water. This collection of sunglasses stood out from the crowd.