Made of plastic, otherwise known as cellulose acetate, or zyl, the frame can be easily adjusted for a perfect fit with your prescription lenses. Your frame purchase includes free standard shipping charges, and manufacturer packaging. You can add doctor verified prescription lenses, add custom polarized lenses, and many other lens options if you desire them. Like all Stride Rite products, the Stride Rite Stride Rite Harlequin provides the sophisticated and classic look that we all need. Stride Rite Stride Rite Harlequin frames have a oval shape, which helps to balance rectangular facial features. Frame shape is the most noticeable feature of a pair of glasses, followed by frame color and frame size. Top brands always have a large collection of rectangle frame shape glasses, as well as oval frame shape glasses.The frame has a saddle bridge without nosepads, a popular feature providing a sleek look.Designed for children, this model has a Spring type hinge for greater comfort.Standard skull temples can be easily adjusted to fit perfectly behind your ears. See all Stride Rite Stride Rite Eyeglasses Stride Rite glasses come in a huge array of shapes, styles, frame materials and colors. Stride Rite eyeglasses frames are well made, and yet they are priced according to principles of value. After your first experience with Stride Rite eyeglasses, you will come back for another pair.