half frame goggles that improve your vision in all conditions. for those looking for style and performance, these goggles combine excellent lens quality with a modern design. a minimalist, modern half-frame combined with salomon's special lens and lens technology gives you a wide field of vision and stronger contrasts so you can see all the bumps in the terrain.solomon's sigmaâ„¢ lens and lens technology deliver excellent depth of field and colour contrast, both in sunny and cloudy weather.don't let the weather dictate your daily routine. the airflow system allows maximum air circulation and brings fresh air into the goggles while allowing moisture to escape.