ALPINESTARS SP-X BOA Drystar® Boots - Black/Dark Gray - US 9/EU 43 2242025-111-43 Extra 4D - and an easy-to-use

4D - and an easy-to-use installation guide in the AMPKIT0 – we include a FREE amplifier

maximum breathability and air flow

6 High-quality CREE LEDs

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ALPINESTARS SP-X BOA Drystar® Boots - Black/Dark Gray - US 9/EU 43 2242025-111-43 Extra 4D - and an easy-to-useErgonomically 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,