Upper constructed from a combination of full-grain leather and innovative, lightweight microfiber that is flexible and abrasion resistant

Alpinestars inner ankle sleeve is constructed from leather with 3D mesh panels and incorporates adjustable shock-absorbing gel inserts on the ankles and a removable anatomic footbed for enhanced comfort, fit and protection on the ankle and lower leg

Alpinestars exclusive high-grip, dual-density rubber outsole includes a footpeg area which is reinforced with a hard polymer compound for durability and comfort

The outsole is fully replaceable

Reinforced lateral flex zone above outward-facing ankle helps prevent torsion

Contoured shin plate injected with high-modulus polymer for superior impact and abrasion resistance is perforated for ventilation

Contoured calf protector plate is injected with a high modulus polymer for impact resistance

Extended internal protection plates constructed from injected polymer to guard the ankle and lower foot as well as the toe box area

Advanced closure system features strong techno-polymer buckles for easy adjustability with a precise, secure and streamlined fit

Top and bottom reverse-closure design provides superior impact security and improved fit

Low-profile toe for improved control and sensitiveness in the shift area

Full-length sculpted rubber panel on the inner side of the boot gives superb grip against the bike and is insulated with aluminum foil for improved heat resistance

Instep and Achilles flex zones for superior comfort, control and support

Replaceable kick starter protection insert located on the right boot

Stamped steel sole and heel guard

Soft polymer gaiter provides effective seal around the top of the boot, preventing excessive water and dirt entry

Breathable 3D tech mesh lining reduces heat buildup and improves comfort

Contoured tempered steel shank is over-injected inside the midsole assembly for rider safety and support

New buckle closure system includes polymer buckles plus aluminum frame with innovative self-alignment, quick release closures for customized secure fitment; the buckles are replaceable

New full inner bootie is constructed with 3D breathable mesh plus synthetic material chassis for support

Ankle lining is made with breathable textile

Internal ankle perforated soft padding for comfort; outside-the-ankles bootie incorporates adjustable shock-absorbing gel inserts on the ankles; inserts are replaceable

Footbed is made with technical polyethylene-base plus EVA arc support and textile lining on top to offer support and comfort

CE certified