Get a hardcore classic look in the new Electric Hardknox Sunglasses. Straight from the minds of the infamous lightning bolt brand, Electric Sunglasses, the handmade acetate matte black frames and grey lens sunglasses have top of the line features like 100% UV protection, a 6-base handmade acetate with an injected wire core frame, 6-base CRX lenses, and 3-barrel stainless steel optical hinges. The Hardknox are part of the Electric Acetate Color Series these bad boys won't be around forever!