Google Glass is not considered fully waterproof. It does have some level of water resistance, but this does not mean it can be submerged in water or used in heavy rain without risk of damage. The specific models may offer varying degrees of protection against water and dust, but it is advisable to avoid exposing Google Glass to significant moisture or extreme conditions. If users plan to wear Google Glass in environments where they may encounter water or sweat, it is wise to take additional precautions to protect the device. For a thorough understanding of the level of water resistance for a specific model, users should refer to the product specifications provided by Google Glass on their official website. This can provide detailed information regarding any care guidelines and limitations on the device's use in wet conditions. When in doubt, looking at the current web page may also offer helpful tips for maintaining the device's longevity and performance.