Julbo Quantum Goggles with Spectron 3 Lens Spectron 3 lens blocks 88% of the visible light Lite-weight with excellent shock resistance this lens is suitable for all types of activities Minimalist Frame: Reducing the thickness of the frame to the minimum to maximize the field of vision from every angle with dual soft foam for comfort Symmetrical adjustment: two loops either side of the strap for symmetrical adjustment and an Overstrap for adaptation to all types of helmet Full silicone strap to hold the goggle all the way round the helmet with a Ventilated lens to help prevent fogging Anatomic Frame with Dual Soft foam for comfort and an Anti-fog coating on the lens