ALPINESTARS Primer Shoes - Light Gray/Black - US 13.5 2650021-923-135 Neck Tube Feature X-Stream air filters that

Feature X-Stream air filters that provides a larger surface area and an increased volume of air flow over the stock unit

Meets FIM environmental rules

High Load Fuel Maps (with PC5 map importing)

Gravity cast aluminum alloy with 18% silicon to increase resistance to wear and decrease thermal distortion

Button front collar shirt with Alpinestars DNA seaming and shoulders Pre curved sleeves

ALPINESTARS Primer Shoes - Light Gray/Black - US 13.5 2650021-923-135 Neck Tube Feature X-Stream air filters thatSnug fit coupled with ample inner volume creates a shoe which offers exceptional all round foot comfort Flex grooves on foot front offer enhanced levels of flex while walking TPU full length plate for protection and improved foot comfort Outsole has an asymmetric stud configuration which provides excellent levels of grip and high abrasion resistance Oil resistant dual rubber compound for optimized grip on unclean slippery surfaces The increased medial