Acerbis X-Zip Knee Guards Black . 
Durable, highly breathable fabric for impact and abrasion protection
Curved design to perfectly suit the anatomy of the knee
Silicon lining to provide optimal fit
Lateral zipper ensuring a quick fit by following the ergonomic features of the body and the joints, reducing the folding and bundling of the material
Breathable elastic mesh on the back for extra comfort and lightness
Elastic straps for maximum adherence to the leg
Removable protections
APPROVAL: EN 1621-1