These fitover polarized sunglasses in Size medium are compatible with all RX glasses that do not exceed 135mm x 41mm. Our popular IKARA sunglasses are one of the best Fitover options available! Like all of our Jonathan Paul premium Fitover sunglasses, each model features our Scout Fit temple design for a seamless fit. The IKARA sunglasses feature a wide variety of frame and lens colors, and provides protection from the sun's harmful UVA/UVB rays to support your ever-changing, on-the-go lifestyle.