X-Loop offers a pair of attractive and usable men's sunglasses that feature semi-rimless lenses that look great and work well. The frame is made of metal, flexible and tough, able to stand up to constant use. The arms are straight and thin, coming off the temples and flowing back to the rubberized earpieces that add grip. The lenses are dark with a polarized finish that blocks out harmful ultraviolet rays and eliminates glare. Buy in bulk for excellent savings.