the SP-X BOA Boots have an integrated shin impact protector

Polypropylene insole with co-injected steel shank

• Stretch insert to ensure adaptable and close fit over overalls

The AMT-10R DrystarXF® Jacket is Tech-Air® ready and can accommodate the Tech-Air® 5 Airbag System

knee brace socks black white SP22 MC_2 the SP-X BOA Boots haveSpecifically designed to be worn with the Alpinestars range of off road boots and knee protection, the MX Long Knee Brace Socks feature a single layer compact construction for high levels of breathability and overall comfort. The socks have a stretch Lycra upper area that includes a mesh insert on the back of the upper leg, and an elasticated upper hem with internal silicon grip to keep the socks in place. The MX Long Knee Brace Socks provide enhanced