Salomon Sentry Prime Sigma Photochromic Goggle Salomon Sentry Prime Sigma Photochromic Goggle is built for skiers and snowboarders who need clear vision in winter light, bringing flawless wide vision, impeccable, stand-out style to every day on snow. Combining a street-style vibe with the best goggle tech, Salomon’s Sentry Prime are goggles you’ll always want on. Prioritizing flawless vision, they come with two magnetic, color-amplifying SIGMA Photo and SIGMA lenses. Fit and comfort: A low-profile frame and Salomon’s Custom ID Fit technology ensure your goggles instantly adjust to the shape of your face, so you can enjoy outstanding vision and comfort. Performance and reliability: The 50 mm, extra wide strap with silicon?, 7 strong magnets, and 2 side locks make sure your goggles and lens stay in place no matter how hard you choose to go. Upgrade your eyes with SIGMA: The SIGMA Photo lens offers a wide field of vision with minimal optical distortion, it amplifies color contrast and dynamically responds to changing light conditions. SIGMA Photochromic: Salomon’s top-of-the-line SIGMA Photochromic lenses reduce eye fatigue, amplify color contrast and dynamically adjust their brightness to the light conditions on the mountain. Secure magnetic changing system: This magnetic lens-changing system features mechanical latches guaranteeing an extra-secure hold, while keeping it super-easy to pull a lens off, click another one on, and go! Custom ID fit: Adaptive foam complexes for an advanced fit & anatomical comfort whatever the face shape. Key technology: SIGMA Photochromic. Key technology: Secure magnetic changing system. Key technology: Custom ID fit.