Sumatraph Size-8.25 expandable from 30l to 32l

Sumatraph Size 8.25 expandable from 30l to 32l expandable from 30l to 32l adjustable strap with silicone coating for a secure hold The flexible O Matter® frame adapts comfortably to the shape of the face – even in extreme cold Low profile frame design provides better visibility and optimized helmet compatibility All day comfort thanks to three layer foam with moisture regulating polar fleece lining The injection molded Plutonite® lenses offer 100% protection against UVA UVB UVC and harmful blue light up to 400 nm Optically correct double glass with F2 anti fog coating Glare reduction and coordinated light transmission through Iridium® glass coating (optional) Meets shock resistance requirements of ANSI Z87