Double lens:To prevent the heat inside and outside the lens caused by fog.
Ventilation frame:Making in internal air circulation, the framework of the internal air automatic adjustment, can effectively heat and dehumidification .
Spherical lens:spherical lens that provide a wider, clearly vision and 100% UV400 protection.
Straps:.Straps and frame design will directly affect the helmet compatibility, AlKAI ski goggles with silicone-backed strap,non-slip..
How to choose color?
higher VLT for dark conditions and lower VLT for sunny days.