Alpinestars SP-X Boa Drystar Boot

The SP-X Boa Drystar Boots are crafted with an ergonomically optimized touring design to provide superior comfort during long rides. The waterproof and breathable Drystar® membrane ensures outstanding wet-weather protection, while the rugged, grippy sole is designed for reliable performance in all conditions, both on and off the bike.

• Main upper constructed with a combination of advanced microfiber, knitted mesh and co-injected TPU with Lycra for the optimum blend of comfort, breathability and performance
• Lateral side entry system incorporates BOA Speed Lace System technology for a quick, precise, and secure closure
• 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
• TPU sliders are strategically positioned on the lateral toe-box and on the lateral calf for optimum flexion and protection
• Internal shin reinforcement layered under the upper for impact protection in a critical area
• CE certified to EN 13634:2017