The Zephyr sunglasses are essential everyday sunglasses. They offer 100% UV protection with dark lenses that are perfect if youre expecting changeable weather conditions. They have rubber nose pads & ear tips that are comfortable & practical. The light weight metal frame is incredibly durable with flexible arms featuring grips at the tips. 100% UV protection The Zephyr sunglasses offer a UV protection of 400; this means that the lenses are engineered to block 100% of all harmful blue light up to 400 nanometers. This gives you full protection from the suns harmful UV rays which are essential for all outdoor activities.