Top off your summer style with the convenience and comfort of the Oakley Straightback Prizm Sunglasses. These durable shades are outfitted with Prizm lenses that optimize colors so you can see clearly and vibrantly while still being shaded from the sun. Under the bright sun at a backyard barbecue or when you're headed out for a sunny walk, pop on the sturdy and protective Straightbacks for relentless style that will hold the test of time. Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.