Dux Helm presents you the world’s first bike helmet with built-in retractable lens. It’s been specifically designed for cycling, it’s lightweight with great ventilation, as you know, cycling can be pretty intense aerobic activity, thus increasing your body temperature. This company was found by 3 friends and cycling enthusiasts and they feature the one and only cycling helmet collection with built-in retractable lens, each product has been designed to be suitable in any whether hot and cold or day and nigh.
From : Dux Helm
Glasses. Most cyclists wear glasses.