Abstract: Glasses for a helmet is configured to rotate a glass member in a state where the glass member is mounted onto the helmet by means of one touch, thereby allowing the glass member to be located in front of a wearer's eyes, and configured to reversely rotate the glass member, thereby opening the front sides of his or her eyes. The glasses for a helmet includes: helmet attachment members fixedly attached to the helmet worn on a wearer's head; glass mounting members separably mounted onto the helmet attachment members by means of one touch; and a glass member adapted to rotate in a state of being rotatably fixed to the glass mounting members in such a manner as to be located in front of the wearer's eyes.