Alpinestars Bio+ Knee Guard Size:S/M Slice is made with a

Slice is made with a tapered gusset design that slopes downward from the back to the front

Perforated Monaco performance cowhide

We're celebrating our 50th anniversary with a collection of gear and apparel that is a nod to both our past and our future

Reflective Trims

The boot structure beneath the wear limit indicator is surrounded by a Kevlar® layer that maintains the structure and integrity of the boot while also protecting the boot

Alpinestars Bio+ Knee Guard Size:S/M Slice is made with aFEATURES Asymmetrical and lightweight ergonomic panel construction offers extended protection surfaces to reduce rotation. Dual strap closure system on Knee Protectors specially designed to offer more comfort and adjustment, with top strap mounted above the knee and lower strap positioned for ergonomic fit. Vented panels and 3D mesh material give comfort to the rider, preventing heat build up while maintaining tactile contact with skin. Designed with