Product Description Bifocal fishing sunglasses make tying your hooks easy. The lenses are UV400, polarized and have built in bifocal lenses. The lenses are much more pronounced on bifocal fishing sunglasses and are intended to solely be used for fishing. The bifocal is purposely made bigger and a little more in the line of vision to make tying hooks easy. These are intended for fishing only but many customers do wear them for reading outside. There soft rubber on the temple arms for a comfortable fit around your ears. Measurements 5 3/8 Inches Wide x 1 7/8 Inches High 5 Inches Long Temple Length 0