SP-X BOA Drystar® Boots

SP-X BOA Drystar® Boots by Alpinestars. Available colorways: Black/Dark Gray.

• Ergonomically optimized touring design, the mid-length SP-X Boa Drystar® Boot® is engineered to deliver the highest levels of comfort when covering big miles in the saddle
• Waterproof and breathable Drystar® membrane guarantees exceptional wet weather performance
• With its grippy, rugged sole, this boot is built to excel in all conditions and terrains, on and off the bike
• Lateral side entry system incorporates BOA Speed Lace System technology for a quick, precise, and secure closure
• Main upper is constructed with a combination of advanced microfiber, knitted mesh and co-injected Thermoplastic Polyurethane (TPU) with Lycra for the optimum blend of comfort, breathability and performance
• Equipped with a Drystar® liner for proven all-weather performance, remaining waterproof while still being highly breathable
• Rubber sole utilizes a special compound that provides textured grip and excellent absorption, and features an integrated support shank for an enhanced sole rigidity
• Sports sole design incorporates a high flex inner structure (lasting insole) for superior walking comfort
• Design of shift pad features TPU technologies for superior upper foot protection
• TPU sliders are strategically positioned on lateral toe-box and on lateral calf for optimum flexion and protection
• TPU heel counter design ensures impact protection in a critical area while also offering additional support and security
• Dual density ankle protectors are strategically positioned between the upper and padded lining to provide strategic protection in key areas
• Internal shin reinforcement is layered under the upper for impact protection in a critical area