Killer Whale – Polarized Shades, Built for Everyday With a classic matte black frame and eye-catching blue revo lenses, Killer Whale delivers clean style and daily performance. The TAC polarized lenses help reduce harsh glare, making these a smart pick for driving, beach time, or casual wear in bright conditions. Lightweight and durable, they’re made from BPA-free plastic and built to last without weighing you down. Details: Frame Color: Matte Black Lens Color: Blue Revo (Polarized, UV400) Lens Type: TAC Tri Acetate Cellulose – impact resistant, scratch-resistant, super lightweight Fit: Unisex, Medium Includes: Sundaze Sunglass Sleeve Proof that clarity doesn’t have to cost a lot. What is TAC Polarized Lens? TAC stands for Tri Acetate Cellulose (TAC) - this polarized type of lens feature cutting edge tech formulated for superior visual and clarity. The technology is also considered scratch resistant due to its coating, impact resistant, super-lightweight, and of course blocks 100% of harmful UV rays.