Costa Del Mar Howler Sunglasses - Black Frame, Dark Grey 580P Lens. The howler monkey is one of the fiercest beasts in the jungle. And these frames are worthy of the same name. The Costa Del Mar Howler Sunglasses have a retro design and are made of pliable, TR 90 nylon for peripheral protection. Polarized lenses for outstanding clarity and vision on the water and 100% UV protection. See your eyecare specialist for prescription lenses.

Features:

• Hinge: Spring
• Lens Size: Medium Large
• Frame Fit:Medium Large
• Lenses: CR-39 or glass
• Rx-able