Knockaround's Fast Lanes Sport sunglasses boast clean-cut, rectangular lenses that look good at any speed, and durable frames available in a wide range of classic and vibrant colors. Whether you love understated and neutral hues or dig vibrant and contemporary colors that honor your bright personality, there is a frame and lens combination just for you. These bad boys are designed to look great on medium and larger face shapes. And like all Knockaround sunglasses, each pair benefits from FDA-approved and impact-resistant lenses with full UV400 protection.