The SINNER AVON ski goggles are ski goggles without a visible frame which creates an enormous and wide field of view.Equipped with 2 double, magnetic, SINTRAST® lenses:1 SINTRAST®, Category 1, double, orange, mirror lens and 1 SINTRAST®, Category 3, red, mirror lens.The SINTRAST® lenses have been specially developed for snow landscapes, provide extremely clear and sharp vision and high contrast, making details even more visible.This lens is recommended for slightly cloudy to sunny weather conditions.Naturally, both lenses offer 100% UV protection and with the special anti-fog coating is the chance of fogging minimal.To guarantee a perfect fit, these goggles are equipped with an adjustable, non-slip headband and a handy outtrigger system.