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Size	Knee (cm)
SM/MD	39-45
LG/XL	45-50
2XL	50-52

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

$39.99/yr.

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10% Off Over 70 Brands
$15 in RPM Cash When You Join
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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.

Alpinestars Knee Guard Sizing