Julbo has produced a stylish frame for cross/mountain bike hoppers to reflect both their spirit of adventure and technical ability. All-terrain and all-protection, Shield will open both your field of vision and your mind to what's possible: REACTIV Photochromic lenses for perfect vision, and non-slip curved temples with Grip Nose so 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. ?Total Cover : Maximum protection from sunlight in extreme conditions.?Air Flow : Venting incorporated into the frame to facilitate air circulation and prevent fogging.?Curved temples : Ergonomic profile for good grip on the face and head.?Cord attachment : Allows attachment of a cord.?Nose Grip : Flexible, shock-absorbing grip insert on the bridge.?Grip Tech : Exclusive soft-comfort material on the temples that doesn't stick to hair, giving perfect grip and comfort?Fabric side shields : Removable fabric, soft-touch side shields provide maximum comfort and do not cause irritation in contact with skin.?Supplied with an adjustable cord : Hold and security. The cord length can be changed with the adjustment loop