Giro Seam Snow Helmet - in stock now. FEATURES of the Giro Seam Snow Helmet X-Static anti-microbial padding Compatible with aftermarket Giro audio systems by outdoor tech Seamless compatibility with all Giro goggles Thermostat control adjustable venting Super cool vents Stack ventilation In form fit system assures a secure fit while adjustable venting regulates airflow to help keep goggles fog-free