【Flexible and Frame-less Design Frame】: The Ukoly newest frame-less design for cycling glasses which make cycling sunglasses becoming more stylish and lightweight. The glasses leg is made of rubber which is flexible and comfortable. 【Interchangeable Rubber Nose Pad】: There is an interchangeable rubber nose pad on baseball sunglasses. You can choose the nose pad according to your nose. It will more comfortable because it is made of high quality and lightweight rubber. 【Ventilation Syste