The Triumph x Alpinestars® SP-X BOA Boots are a sleek Sports Touring boot designed to fit under tech riding pants and are built to excel in all conditions and terrains. Fitted with a BOA Speed Lace System. Please note that the sizing below is UK With its ergonomically optimised sport touring design, the mid-length Triumph x Alpinestars® SP-X BOA Drystar® Boots are engineered to deliver the highest levels of comfort when covering big miles in the saddle. The boots’ waterproof and breathable Drystar® membrane guarantees exceptional wet weather performance while the grippy, rugged sole, is built to excel in all conditions and terrains, both on and off the bike. • Alpinestars® DRYSTAR® waterproof membrane • 3D mesh lining • Mid-length • East access side entry • BOA Speed Lace System for precise & secure fit • Sports sole for superior walking comfort • Anatomical EVA footbed • Microfibre, knitted mesh and Lycra co-injected with TPU combination • Redesigned shift pad with TPU reinforcement • Alpinestars® exclusive rubber compound sole for advanced grip • Unique dual branding Fabric composition Outer: 36% Microfiber - 24% Polyurethane - 21% Polyester - 19% Tpu Lining - 61% Polyester - 28% Synthetic - 11% Microfiber Rider Protection • Certified to EN13634:2017 • TPU sliders and toe-box and calf • TPU heel counter for enhanced impact protection and support • Dual density ankle protection • Internal shin reinforcement • Integrated support shank at sole for enhanced rigidity Care advice Please refer to the care label and follow the instructions carefully Style number MBTA26003