According to the vision council, comfort, fit and durability are the three most important factors when choosing men’s eyeglasses, as the comfort, I suggest you can try Spring hinge temples, we couldn’t select frame only according to its appearance. Spring hinge temples can help preventing you from stretching the fit of your eyeglasses, I just want to know if there are such eyeglasses specially for kids? My son’s nose is not mature enough, the frame can slid down from his face easily!

Your son is just as most other kids don't like any burden on their noses, so you would better to choose a frame which has two soft nose pads. Silicone may the best choice, because silicone pads tend to be softer and more comfortable. Besides, they also have a non-slip surface which can help eglasses stay in the correct position on your son's faces, as well as ensure his good eyesight. see more on ozglasses.com~