Alpinestars Bionic-10 Carbon Knee Protector Left, black-red, size L

Alpinestars Bionic-10 is designed to protect against, and reduce the severity of, knee hyperextension in the event of an accident. Thanks to innovative technology, Bionic-10 is ultra-lightweight and offers an adjustable and secure fit, while providing improved, controlled, motion of the knee in the riding position.- Bionic-10 is constructed of carbon fibre composite which makes the protection extremely lightweight and strong, while also providing good durability even in extreme weather conditions.- Ergonomically sculpted and ventilated knee-cup made of semi-rigid plastic for durability, with shock-absorbing foam added for comfort.- Air vents in the upholstery and mesh panels provide good airflow through the cover.- The protection is adjustable and has an adapter system that provides a secure fit regardless of your size.- Sturdy spacers allow the width of the protection can be fine-tuned. Spacers 1 mm, 2 mm and 3 mm included.- The bending of the protection can be adjusted to stop at 0,