Giro Seam Helmet (Matte PEWTER/M)

The fully featured Seam with innovative Stack Ventilation combines with our Thermostat Control Adjustable Venting to disperse excess heat for superior comfort in a variety of conditions and on-hill scenarios. Add to that the best fit ever engineered and lightweight design and it becomes clear that The Seam is the perfect tool for an all-mountain onslaught.