The Anon M4S Cylindrical Goggles deliver elite optical clarity and high-performance weather protection scaled specifically to fit small to medium faces. Equipped with a low-profile cylindrical lens, the M4S provides a wide field of view enhanced by terrain-defining Perceive optics for crisp, high-contrast vision across changing light conditions. Anon integrates its rapid Magna-Tech quick-change system using powerful N52 rare-earth magnets alongside Magnetic Face Mask Integration (MFI) to seal out snow and biting wind without blocking ventilation. Finished with a flexible dual-density frame and over-the-glasses compatibility, these goggles provide all-day comfort and crystal-clear vision across the entire mountain. Best Use: All-Mountain Ski & Snowboard Fit: Unisex (small to medium faces) Frame: Lightweight dual-density PC-ABS/TPU frame Lens Type: Cylindrical injected lens Helmet Compatible: Yes Over The Glasses (OTG) Compatible: Yes Included: Bonus low-light lens, MFI face mask, Magna-Tech storage case, goggle lens protector, and microfiber goggle bag No-slip silicone strap keeps the goggles securely in place on helmets across variable terrain Full-perimeter vent channel maximizes airflow to cycle in fresh air and flush out heat and moisture Integral Clarity Technology anti-fog treatment exceeds global industry standards for reliable, long-lasting vision Moisture-wicking ramped face foam tapers thinner near the eyes to deliver a snug seal and optimize fog-free peripheral clarity Perceive lens optics deliver terrain-defining contrast with hydrophobic and oleophobic coatings to shed moisture, smudges, and scratches Magna-Tech quick lens-change technology utilizes powerful rare-earth N52 magnets for an effortless lens-to-frame seal and unsurpassed retention MFI (Magnetic Face Mask Integration) uses magnetic contact points to lock the face mask seamlessly to the frame, creating a gapless barrier against the elements without impeding airflow