For flexible frames that can take a beating, try these Mangrove prescription eyeglasses designed with Swedish brand Vasuma. This classy, formal take on the iconic wayfarer silhouette includes shark-fin contour temples as well as rectangular lenses that fit oval and round face shapes. Made from high-performance acetate, these full-rim eyeglasses gently hug your face for a secure and flattering fit. Please note these frames are best suited to those with average/medium sized faces.