Boots ALPINESTARS SP-X Boa Drystar® black / dark gray. With its ergonomically optimized sport touring design, the SP-X BOA Drystar® mid-length boots are designed to offer the highest levels of comfort when riding long miles in the saddle, while the boots' waterproof and breathable Drystar® membrane ensures exceptional performance in wet weather. With its durable and grippy sole, this boot is designed to excel in all conditions and terrain, both on and off the bike.

MAIN CHARACTERISTICS

• Side entry system incorporates BOA Speed Lace System technology for fast, precise and secure closure.
• Main upper is constructed with a combination of advanced microfiber, woven mesh and TPU co-injected with Lycra for an optimal combination of comfort, breathability and performance.
• Equipped with a Drystar® liner for proven all-weather performance while remaining waterproof yet highly breathable.
• The rubber outsole utilizes a special compound that provides textured grip and excellent absorption and features an integrated support shank for added sole rigidity.
• Sporty outsole design incorporates a highly flexible internal structure (durable insole) for superior walking comfort.
• Upper constructed with advanced microfiber, woven mesh and TPU co-injected with Lycra, ensuring optimal comfort, breathability and performance.
• Boots feature Drystar® lining for reliable all-weather protection while maintaining waterproof and breathable properties.
• The boots feature a BOA Speed Lace lacing system for quick, precise and secure closure on the side.
• A laterally adjustable hook-and-loop closure system is integrated into the shin plate and incorporates a 3D TPU print on the strap for improved pressability.
• The front gusset is made of Lycra co-injected with a soft TPU for comfort and protection.
• The rear calf is made of fabric for comfort and breathability.
• Equipped with a 3D mesh lining for high levels of breathability with micro suede in the heel for non-slip performance.
• Sporty sole design with high flex inner structure (durable insole) for superior walking comfort.
• Special compound rubber outsole offers excellent grip and absorption, and the integrated support shank enhances sole rigidity.
• Features a removable anatomical EVA footbed with Lycra lining in the upper for superior levels of support and comfort.
• New shift pad design features TPU technologies for superior foot protection.
• TPU sliders are strategically placed on the lateral toe and lateral calf for optimal flex and protection.
• A TPU heel counter design ensures impact protection in a critical area while offering additional support and security.
• Dual-density ankle protectors are strategically placed between the upper and padded liner to provide strategic protection in key areas.
• Internal shin reinforcement is positioned under the upper to provide impact protection in a critical area.
• SP-X BOA Drystar® boots are CE certified to EN 13634:2017.