Avanigo Ski Helmet with Safety Certificate, Snow Sport Helmets Skiing Snowboarding Gear for Men Women Youth, Adjustable Fit, Fleece Liner;

This helmet has two reinforced layers. The external cap is made from strong ABS material, which is covered by a supporting EPS outer shell for dual protection.
There is a clip in the back of the helmet with a lock so that the goggles do not come off.
Air ventilation system generates maximum airflow and removes warm, fog-causing air via air channels built into helmet, keeping your head dry and goggles clear.
EASY CARE AND EASY WASH:Removable lining and earflaps easy to clean after exercise
Inside, the internal fabric lining and ear padding include a hypoallergenic and antibacterial treatment while the ESP inner shell features multiport with mesh screens to prevent snow buildup and allow for ample airflow.
SIZE?M 55-58CM/21.6-22.8IN,This helmet have an adjustment wheel on the back to adjust the size to fits you head