All-terrain and all-protection, Julbo Shield will open both your field of vision and your mind to what's possible. Non-slip curved temples with Nose Grip ensure they stay on your head when things get bumpy! Air Flow ventilation and removable soft-feel side shields guarantee maximum comfort. The sleek rectangular shape ensures style and bold moves go hand-in-hand. Lenses: Spectron 3: VERSATILITY IN EVERYDAY LIFE Cat. 3 polycarbonate lens (visible light transmission rate: 13%). Light yet offering good shock resistance, this multipurpose lens is suitable for all types of activity. Versatile use in sports and everyday life. Large choice of colours and mirror flashes for a colourful design. Reactive 1-3: Glare Control and everyday Comfort Photochromic lenses (cat. 1 to 3 - visible light transmission rate: 10% to 46%) which get darker or lighter as light levels change, and are also polarized (55%): they manage glare perfectly while allowing you to read any type of screen. This versatile lens offers outstanding vision when practicing sports and adapts perfectly to use in everyday life. Visual clarity, lightness and strength make it effective for all outdoor sports. High-speed activation regardless of the temperature (Non-Temperature Sensitive Technology) External oil-repellent coating: prevents marking and facilitates water runoff Great versatility Visual comfort Anti-glare Polarizing coating screen compatible (Smartphone, etc) Julbo Shield M Sunglasses Features: Nose Grip : Flexible, shock-absorbing grip insert on the bridge. Air Flow : Venting incorporated into the frame to facilitate air circulation and prevent fogging. Cord attachment : Allows attachment of a cord. Curved temples : Ergonomic profile for good grip on the face and head. Fabric side shields : Removable fabric, soft-touch side shields provide maximum comfort and do not cause irritation in contact with skin. Grip Tech : Exclusive soft-comfort material on the temples that doesn't stick to hair, giving perfect grip and comfort Total Cover : Maximum protection from sunlight in extreme conditions. Lense Specs: Sun protection : Cat. 3 VLT (visibility light transmission) : 5% Material : POLYCARBONATE