Alpinestars SP-X BOA Drystar Waterproof Boots

With its ergonomically optimized sport touring design, the mid-length SP-X BOA Drystar Boots are engineered to deliver the highest levels of comfort when covering big miles in the saddle, while the boots’ 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, both on and off the bike.

• Main upper is constructed with a combination of advanced microfiber, knitted mesh, and co-injected TPU (Thermoplastic Polyurethane) with Lycra for the optimum blend of comfort, breathability, and performance
• Waterproof and breathable Drystar membrane guarantees exceptional wet weather performance, remaining waterproof while still being highly breathable
• Front bellow is constructed in a Lycra co-injected with a soft TPU for enhanced comfort and protection
• Rear calf is constructed from textile for additional comfort and breathability
• Equipped with 3D mesh lining for high levels of breathability with micro suede on the heel for anti-sliding performance
• 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
• Design of shift pad features TPU technologies for superior upper foot protection
• Lateral side entry system incorporates BOA Speed Lace System technology for a quick, precise, and secure closure
• A lateral adjustable hook and loop closure system is integrated on the shin plate and incorporates a TPU 3D print on the strap for enhanced prehensility
• Rubber sole utilizes a special compound that provides textured grip and excellent absorption, and features an integrated support shank for an enhanced sole rigidity that is built to excel in all conditions and terrains
• Sports sole design incorporates a high flex inner structure (lasting insole) for superior walking comfort
• Features a removable anatomic EVA (Ethylene Vinyl Acetate) footbed with Lycra lining on top for supreme levels of support and comfort
• C.E. certified to EN 13634:2017 safety standards
• Black/Dark Grey