For city riders and those who demand the utmost from their gear, the Allston is our top men's helmet. Featuring a premium Zipmold+ construction, the Allston provides an ideal fit and a high-quality BOA size adjustment. A total of 16 large ventilation slots contribute to optimal air circulation. Our signature flip visor adds a distinctive Bern look to the Allston bike helmet while protecting you from sunlight. With a style that is at home both on the way to work and on the bike path, this city helmet offers versatility, performance, and style in one package.