I have had this helmet for a while, but it is brand new, never been worn - still has all the original accessories included (see photo).

Cheapest I was able to find this helmet (new) retailing for currently is $58.99.

Size Details (according to GMax published size chart):

XXL fits:

GM 17 SPS - Solid

State of the art engineered lightweight thermo-plastic poly alloy shell, DOT approved.
High tech shell design for maximum venting and comfort.
Optional outer flip tint lens.
Industry leading eight vents, including new GMAX® top vents and rear vents with premium SPC vented styro and interior engineered for maximum air flow control.
GMAX® Supreme Fit.
Coolmax® comfort liner moves moisture away from your body, and the fabric dries quickly. The added performance keeps you cool and comfortable.
Removable/washable interior.
Removable/adjustable cheek pads allow custom fitting and increased comfort.
Padded chin strap.
High quality painted clear coat finish.
Hard coated shield reduces scratching.
Aerodynamic flush mounted screwless shield is easily removed.
Optional visor easily replaces shield.
Speaker pockets for easy speaker/communication system installation.
Platinum series includes: clear shield, flip tint sun shield, sun peak, visor bag, and helmet bag.
DOT approved