Alpinestars SP-X BOA Drystar® Boots — EU 44 (US 9.5), Over-Calf, Black

The mid-length SP-X BOA Drystar® Boot is ergonomically optimized for long-distance touring, delivering comfort on extended rides. It pairs a waterproof, breathable Drystar® membrane with a durable upper and a grippy, rugged sole to perform in wet weather and varied terrain.

Key performance features include:

• BOA Speed Lace System on the lateral side for quick, precise, and secure closure.
• Co-injected TPU components and integrated shin and heel reinforcement for impact resistance.
• Rubber sole with a support shank and a high-flex inner structure for superior walking comfort.
• TPU shift pad and strategically positioned sliders for protection and optimized flexion.

Designed for comfort and durability, the boot offers breathability, targeted ankle protection, and a construction that balances flexibility with support for both on- and off-bike use.