ALPINESTARS

Boot Stech Bk/bk 40

Part # 3401-0975

• —Advanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility
• —Front flex area is constructed with a soft microfiber for improve abrasion resistance and natural forwards and backwards movement
• —Thermoplastic Polyurethane (TPU) for breathability and airflow
• —Flexible accordion microfiber on Achilles gives enhanced natural movement
• —Strategically positioned ventilation area in heel and shin
• —Outside entry/exit has stretchable accordion panel for a close fit and ease of entry and removal
• —Contoured high modulus shin plate protector gives superior impact and abrasion resistance
• —An evolution of Alpinestars unique Multi-Link Control system provides advanced external protection and support for ankle articulation, limiting hyper-torsion, hyper-extension and hyper-flexion as well as providing Achilles impact protection.
• —Dual density TPU replaceable toe slider with screw-in assembly provides protective coverage around the outer toe area
• —Wide heel counter with lateral ventilation extends to the ankle and is combined with a shock absorbing padded insert and self-molding ankle reinforcement
• —Replaceable heel slider and external side heel slider are positioned to dissipate and absorb shock and promote sliding during an accident
• —Large front and rear asymmetrical accordion zones are optimized to maximize flexibility
• —Advanced synthetic forefoot lining, laminated with open cell foam for shock absorption and highly breathable lining in ankle and leg areas for comfort
• —Micro adjustable ratchet top closure stows tab end
• —Alpinestars anatomical and replaceable countered EVA footbed provides arch support and forefoot pedal feeling
• —Durable sole, designed for improved riding feel, features evenly textured rubber for consistent grip
• —Alpinestars Lace-Lock System is constructed from an advanced polymer resin to guarantee a quick, precise and secure closure
• —Inner instep speed lacing closure and unique lateral zipper offer precise and secure fit
• —Hook and loop tap locks the zip pull close, keeping in flat and safe