  
These full face helmets by Knucklebone come in 4 sizes & 3 color patterns. Get yours today before your next wipeout!
They come in Black/Silver/White, Red/Black/Silver, or Blue/Black/Silver and size Small, Medium, Large, and XL. This is designed as a downhill racing helmet where full face and jaw protection is a must!!
Here's how to measure for your size:
Small is head diameter of 21-1/4" - usually under age 10
Medium is head diameter of 22" - usually teens or pre-teens
Large is head diameter of 22-7/8" - most teens & adults
XL is head diameter of 23-5/8" - most adults over 6 feet
To get your head diameter, just use a tape measure around the largest part of your head (where you would wear a headband).
If in doubt or in between sizes, order the next LARGEST size!
Here are some features:
*Designed for Downhill Racing
*4 Mesh-lined Shell Vents
*Built in heavy duty visor with full graphics
*Sliding forehead vents
*Vented, mesh lined mouthpiece
*Large eye opening to maximze peripheral vision w/ rubber goggle grabbers
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