LEM is Main Partner for Alta Valtellina Bike Marathon 2023. The company, known for the distribution of sports helmets, with its know-how and work of raw materials, launches the new series of LEMi sunglasses. Whether you are a road cyclist, mountain biker or an outdoor sports enthusiast, LEMi will provide you with lightweight, optimal fit and excellent performance to enable you to fully and safely practice your favorite sport. Discover more on the LEM website.