Don’t let the cold stop your ride! The Bern Cold Weather Bike Helmet Liner Upgrade is the perfect solution for cyclists who want to keep riding in cooler temperatures. Designed to fit Bern helmets, this liner features soft, insulating fabric that helps retain warmth while wicking away moisture for a comfortable ride. Whether you’re commuting, mountain biking, or cruising on your e-bike, this liner ensures your head stays warm without compromising on fit or safety.