Giro G9 helmet - matte black

The Giro G9 ski and snowboard helmet

Giro G9 helmet features....

• Weight: only 13.5 ounces in a size LG.
• Construction: In-mold shell construction which fuses the polycarbonate outer shell with the helmets impact absorbing foam liner for extra durability without excess weight.
• Liner: A comfortable EPS liner with removable ear pads for warm weather or music.
• Chin strap: Adjustable and padded with snap clip.
• Ventilation: You get 15 supercharged vents so you can be as cool as you want to be. All 15 vents have removable Weatherstrip vent plugs that seal in warmth and seal out cold and snow.
• A goggle notch is built into the shell to keep the goggle strap in place along with a durable, easy to use rear goggle clip.
• Great peripheral vision with a gapless fit.
• Conforms to all ASTM F2040 and CE prEN1077 approved standards.
  

Sizing your helmet.
Giro's unique In Form™ adjustable fit system allows a wide range of fit per each size. You are able to dial in your comfort level with a built in adjustable headband. This comes in especially handy when you need a little extra room when wearing a head liner.

To get the correct helmet size, measure the circumference of your head just above the eyebrows with a soft tape measure. When in doubt, go up one size.

SMALL, between 52 - 55.5 cm or 20.5 - 21.75 inches
MEDIUM, between 55.5 - 59 cm or 21.75 - 23 inches
LARGE, between 59 - 62.5 cm or 23 - 24.25 inches
X-LARGE, between 62.5 - 65 cm or 24.5 - 25.5 inches