evo.com | Salomon Goggles > The Salomon Sentry Pro Sigma Goggles are all about making the mountain easier to read. SIGMA(TM) lens tech boosts contrast, while the wide field of vision and airflow system help keep your view clear when you're putting in laps. Add an easy-change lens, helmet-ready fit, and comfy triple-layer foam, and you're good to go all season long. This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm. Airflow System Offers maximum airflow, bringing fresh air into the goggle while pulling moisture out. Amplified Vision "A-cut" shape frame to expand & maximize your lateral vision in the low bottom part. Silicone Backed Strap Smooth & secure grip on the helmet. SIGMA(TM) Technology SIGMA(TM) is a Salomon Innovative Lens Solution that impressively amplifies color contrast on snow, enabling the eye to instantly read terrain variations in a wider range of light | Salomon Sentry Pro Sigma Goggles 2027 in White