BM1GTORT Bermuda Sunglass Tortoise Frame/Gray Lens. Calcutta Sunglasses are designed for the sportsman! Fade Resistant finishes are tough enough to handle all kinds of weather and conditions. Calcutta has designed these rugged sunglasses to allow a wider field of vision, while providing Superior Optics. Durable 1.1 mm polarized lenses that virtually eliminate reflected, harsh glare. Look for the distinctive Calcutta Logo to ensure quality at an affordable price! Tested and approved by Team Calcutta. These super "hot" glasses combine comfort fit with a sleek "cool" look.