Ice Chaos Ski Snowboard OTG Goggles Three layer fleece covered foam on frame for a comfortable fit on all face shapes and sizes Summit OTG (Over the Glasses compatible) frame- our best fitting and most flexible frame to fit all faces! Silicone on inside of strap to reduce slippage on helmets, heads and hats Fully helmet compatible Lens is spherical, double layer and chemically impregnated to be fog free