Details Shown: , Measurements Good For These Face Shapes Find your face shape Find your face shape Defined by its triangular construction, a heart shape face is best matched with a slightly boxier lens frame. An oval-shaped face works with any style of Classic frame. Soft frame angles work just as well as boxier ones - just stick with the high temples. A circular face structure - defined by full cheekbones and a narrow forehead - is best complemented with boxier lens. And the broader the width of the frames, the better. A broad forehead and square jawline usually create a square face shape, perfect for circular lens frames that soften the angles.