55 LIGHT WEIGHT TRADITIONAL GLACIER GLASS Curved, wrapping temples temples shaped and cut for better hold with sharp and repeated movements Leather Covers Symbol of glacier sunglasses, leather covers protect generations of mountain enthusiasts Total Coverage Maximum protection in extreme conditions against harsh sunlight Lenses SPECTRON 3 Light but with excellent shock resistance, this versatile lens is suitable for all types of sports activities. > Flash Treatment : improves visible light filtering with mirror effect lenses.