Looking For a New Lid? Save Up To 60% On Helmets From 30+ Brands!

Next Gen Gear Is Here: Shop New Alpinestars, REV'IT! & More

ZillaHacks: Learn Pro Tips, Tricks & Insider Insights

Get $15 Cash, Free 2 Day Shipping & More Perks With RPM*

JavaScript Disabled

To get the full RevZilla experience, enable JavaScript in your browser settings and refresh this page.

Free Shipping over $49.99 Learn More ZillaCash: $5 for every $100 Learn More Customer Service From Riders Learn More

Knox Defender Knee Guards Size Chart

Short Guard: Measure Thigh approximately 2" above your knee and measure Calf approximately 5" below your knee. Long Guard: Measure Thigh approximately 2" above your knee and measure Calf approximately 2" above your ankle bone..

Size	Thigh (cm)	Calf (cm)
SM Short	34	30
LG Short	38	34

Size	Thigh (cm)	Calf (cm)
SM Long	34	18
LG Long	38	24

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

$39.99/yr.

Spend Less. Ride More.

5% RPM Cash Back*
10% Off Over 70 Brands
$15 in RPM Cash When You Join
Free 2-Day Shipping & Free Returns*
And more!

Become a member today! Learn More

By purchasing and enrolling in Riders Preferred Membership, you agree to the Program Terms and Conditions. *Some exclusions apply: 10% RPM discount applies on full price and sale price Exclusive Brands. 10% RPM discount applies on additional select brands at full price. Exclusions apply. RPM free 2-day shipping applies on qualifying items, contiguous U.S. only. Not available for AK, HI, or U.S. Territories. View shipping policies. RPM free returns apply on qualifying items and are processed on standard return timeline, contiguous U.S. only. View return policy.

Knox Defender Knee Guard Sizing