Anon M5S MFI Goggles The Anon M5S MFI Goggles bring the premium performance of the M5 to a smaller frame designed for small and medium faces. Flat-Toric Lens Technology combines a clean, low-profile shape with enhanced peripheral vision, while PERCEIVE optics increase contrast and terrain definition across changing light conditions. Magna-TechA(R) uses powerful N52 magnets for fast, secure lens changes, while Integral Clarity Technology Anti-Fog works with full perimeter channel venting to help maintain clear vision. MFIA(R) magnetic face mask integration and a bonus lens complete a full-featured setup scaled for smaller faces. Summary Fit Profile Small / Medium Faces Lens Shape Flat-Toric Lens Technology PERCEIVE Lens Technology Lens Change System Magna-TechA(R) Magnetic Lens Change Anti-Fog Integral Clarity Technology Anti-Fog Ventilation Full Perimeter Channel Venting Face Mask Integration MFIA(R) Compatible Included Accessories Bonus Lens, MFIA(R) Face Mask, Magna-TechA(R) Goggle Storage Case, Goggle Sock Protector Warranty 1 Year Warranty