Size: One size fits all. Whether on fast-flowing trails or a casual urban ride after work, the ALPINA Turbo HR sunglasses are the perfect companion for your next ride. These half-frame sunglasses protect your eyes from the sun's rays and wind, offering a wide field of unrestricted vision. Additionally, their special construction allows for good lens ventilation, preventing fogging. The sunglasses also feature adjustable nose pads for a personalized fit.