Materials: Quantum only uses materials that are environmentally benign

premium suede and textile uppers

and a gusseted tongue keeps the snow

Check label for actual content

And finally

Pro-Tec Classic Lite w/MIPS - Matte Cement 4/5.5W Materials: Quantum only uses materialsThe latest addition to the Pro Tec line. We've taken our top selling certified helmet, The Classic, that everyone knows and loves, shaved off over 30% weight using a new low profile in mold shell fused to an EPS liner. The result is Classic reborn. Lighter, and more comfortable than ever! Features: Polycarbonate Shell EPS Liner 11 Open Vents Heat Sealed Premium Interior Pads Certifications: CPSC 1203, CE 1078