Do you have size chart?

These come in different sizes, you must measure yourself and buy by following the sizing chart. The 3rrd photo at the top of the page is the chart. If there is not a chart, or you are being told these are one size fits all, do not buy, that's not correct.

Can I use it to practice mountain biking?

It is light and does not bother the knees

Are these light enough to wear under the regular jeans ?

I wear them over slim pant legs, and have worn them beneath snowboard pants which are loose fitting. These knee pads are slimmer than many others though.

Is this for one, or a pair?

This is a pair, right and left, one each.

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Dirtfreak Alpinestars Bionic Plus Knee Protector S/M 6506219-10-S/M

Product ID: 763248610

Details

Age Range (Description)
Adult
Brand
Alpinestars
Closure Type
Pull On
Color
Black
Material
Plastic

⚡Shock-absorbing padding

🎯Ergonomic slim fit design

🛡️CE certified rugged protection

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€ 61.54

Duties & taxes included

In stock

Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Ride fearless, ride sleek — protection that moves with you!

SECURE ALL DAY FIT - Above-knee adjustable straps keep protectors locked in place, no slipping.
SLIM STREAMLINED - Advanced ergonomic design fits seamlessly under slim pants without bulk.
SHOCK ABSORBING COMFORT - Hard outer shell combined with padding cushions impacts effectively.
BREATHABLE LIGHTWEIGHT - Engineered for superior ventilation, perfect for long, hot rides.
CERTIFIED RUGGED DEFENSE - CE certified protection system ensures top-tier safety on every ride.

The Dirtfreak Alpinestars Bionic Plus Knee Protector S/M offers CE certified, rugged protection with a hard outer shell and shock-absorbing padding. Its advanced ergonomic design provides a slim, breathable fit that stays secure with above-knee straps, making it ideal for MX and off-road riders seeking reliable safety without sacrificing comfort or style.

Specifications

ASIN	B07FR887QH
Age Range Description	Adult
Amazon Bestseller	#287,526 in Automotive ( See Top 100 in Automotive ) #287 in Powersports Knee Guards
Brand Name	Alpinestars
Closure Type	Pull On
Color	Black
Customer Reviews	4.4 4.4 out of 5 stars (320)
Fabric Type	Multi
Form Factor	Shell
Included Components	No
Item Dimensions	21.1 x 41.8 x 10.9 cm
Item Package Quantity	1
Item Thickness	20 Picometer
Item Type Name	Protector
Item Weight	290 Grams
Manufacturer	alpinestars(アルパインスターズ)
Manufacturer Contact Information	alpinestars
Material	Plastic
Model Name	1696320101
Model Number	6506219-10-S/M
Number of Items	1
Part Number	6506219-10-S/M
Size	Small/Medium
Sport Type	riding
Warranty Description	For initial defects only

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Excellent communication throughout the order process. Product is perfect.

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