The Atomic Four QL HD goggles offer a fusion of progressive style, adaptability, and all-condition performance for skiers and riders exploring the entire mountain. Built with a Cylindrical Fusion Double Lens, these goggles contour smoothly to helmets while maximizing the field of vision. High-definition HD Lens Technology sharpens color, clarity, and contrast across changing light, while the Magnetic Q-System enables quick, effortless lens swaps on the fly. Complete with anti-fog, anti-scratch, and hydrophobic coatings, plus an included extra lens, the Four Q L HD delivers crystal-clear optic clarity in all winter elements. Best Use: All-Mountain, Freeride Ability Level: Intermediate - Advanced Fit / Frame Size: Large Lens Shape: Cylindrical Lens Change System: Magnetic Q-System Helmet Compatible: Yes OTG Compatible: Yes (OTG Lite) Extra Lens Included: Yes Weight: 190 g HD Lens Technology: Uses micro-crystals in the lens to divide light into spectral colors, dramatically enhancing contrast and depth perception on the snow. Magnetic Q-System: Utilizes high-powered magnets paired with a mechanical closure to make swapping lenses fast, simple, and secure in changing weather conditions. Cylindrical Fusion Double Lens (FDL): Lighter next-generation double-lens construction that laminates the lenses together to eliminate refraction, reflections, and fogging while widening the field of vision. Live Fit Frame: Constructed with a flexible frame grid and tri-layer face foam that instantly molds to facial contours for a personalized, comfortable seal. Hydrophobic Lens Coating: A durable coating that repels water, snow, and oil to keep vision clear and wipe-downs effortless. Supreme Anti-Scratch & Anti-Fog Outer Lens: Hard-coated outer treatment engineered to withstand impacts and resist fog buildup during high-output skiing.