Callaway X-Series X640 Sunglasses Details
- Callaway X-Series X640 Sunglasses feature Flexon / Stainless Steel Frame Material
- Expanded Viewing Area
- Adjustable Nose Piece with Megol Rubber Pads
- Megol Rubber Temple Sleeves
- Tour authentic eyewear feature Flexon: The amazing metal that bends and springs back to its original shape. A titanium memory based alloy 10 times more flexible than steel and 25 percent lighter than conventional frame metals, flexon delivers comfort, flexibility, durability, and technologically superior frames
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