Our Original rear-view mirror for biking and other outdoor activities is the ultimate solution for enhanced safety and convenience on the road. Our innovative activity mirror attaches to sunglasses, helmet visors, and even to a sturdy ball cap visor, providing a clear rear-view perspective without the need for constant head movement. It's versatile and excellent to use as a scooter rear-view mirror, kayak rear-view mirror, skateboard rear-view mirror, rear-view mirror for hiking and other outdoor activities. The Original Cycling and Activity Mirror with Helmet Adapter is designed to be attached to the left side of your helmet. Enjoy a no-vibration ride with sturdy stainless steel construction. The mirror adjusts in three axes, allowing for optimal adjustability and precise positioning of the mirror face. Plus, the frameless design offers an uninterrupted field of vision, giving you the confidence to ride on busy roads or secluded trails. Backed by a lifetime replacement warranty and manufactured in the USA by our second-generation family-owned business based in the heart of Colorado, the rear-view mirror is built to last and endure the toughest outdoor conditions.