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ALPINESTARS
Alpinestars Knee Protector Bionic Flex Black
ALPINESTARS BIONIC FLEX – Lightweight, Flexible and Breathable Knee Protectors
The Alpinestars Bionic Flex knee protectors are designed to deliver maximum comfort, freedom of movement, and reliable impact protection for off-road, enduro, or motocross riding. Featuring an ergonomic design, elastic support, and advanced Nucleon Flex technology, these protectors absorb impacts without compromising flexibility.
These knee protectors fit snugly against the leg – easy to slip on, with silicone-printed hems and an elastic upper strap that ensures the pads stay in place even during active movement. Thanks to breathable materials, they are also well-suited for extended use in warm weather.
Key Features:
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Lightweight and flexible design with asymmetrical shaping – does not restrict movement while riding or running
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Breathable and stretchy mesh construction – comfortable and body-conforming base layer
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Nucleon Flex protection – excellent shock absorption and ventilation thanks to perforated protectors
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Convenient slip-on design – easy to put on without straps
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Upper elastic strap with silicone print – ensures secure fit and prevents slipping
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Additional side foam padding – increased lateral knee protection
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Certification: CE certified according to EN 1621-1:2012 Level 1 (knee protectors)
Who are these protectors for?
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Motocross, enduro, trail, and other active off-road sports enthusiasts
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Riders looking for lightweight, breathable, and reliable protection for long rides
How to choose the right size?
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A. Measure the circumference of your leg 10 cm above the top of the kneecap
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B. Measure the widest part of your calf
