Alpinestars Sp-X Boa Drystar Mens Boots – Black / Dark Grey

ALPINESTARS SP-X BOA DRYSTAR MENS BOOTS BLACK / DARK GREYThe Alpinestars SP-X BOA Drystar Boots are mid-length sport touring boots engineered for premium comfort, weather protection, and control. With their ergonomic design and waterproof Drystar® membrane, they deliver outstanding performance in wet or dry conditions. The innovative BOA Speed Lace System ensures a secure, quick, and precise fit, while the rugged, high-grip sole and flexible inner structure make them ideal for both long-distance touring and short-range urban rides.Key Features Lateral side entry system with BOA Speed Lace System for quick, precise, and secure closure. Main upper constructed from advanced microfibre, knitted mesh, and co-injected TPU with Lycra for superior comfort, breathability, and performance. Drystar® waterproof and breathable liner for proven all-weather protection and comfort. Rubber sole with textured grip pattern and integrated support shank ensures enhanced rigidity and walking stability. Sport-inspired sole design with a high-flex inner structure (lasting insole) provides excellent walking comfort.Construction Advanced microfibre, knitted mesh, and co-injected TPU with Lycra upper for premium comfort and durability. Integrated Drystar® membrane ensures waterproof and breathable performance in all conditions. BOA Speed Lace System allows fast and precise adjustment for a secure fit. Lateral adjustable hook-and-loop shin closure features TPU 3D printing for enhanced grip. Front bellow constructed in Lycra co-injected with soft TPU for added comfort and protection. Rear calf section made from breathable textile for flexibility and airflow. 3D mesh inner lining promotes ventilation, with micro-suede heel insert for anti-slip performance. Sports sole design with high-flex internal structure enhances walking comfort. Rubber sole compound delivers excellent grip and shock absorption, with integrated support shank for rigidity. Removable anatomical EVA footbed with Lycra lining for cushioning and comfort.Protection Redesigned TPU shift pad for enhanced upper foot protection. TPU sliders positioned on the lateral toe box and calf for superior flexion and abrasion resistance. Reinforced TPU heel counter provides impact protection and structural support. Dual-density ankle protectors integrated between the upper and padded lining for targeted impact protection. Internal shin reinforcement beneath the upper ensures protection in critical areas. CE certified to EN 13634:2017 for verified motorcycle footwear safety and performance. Sizing Guide (UK)4 385 396 407 418 429 4310 4411 4512 46Whilst you probably know the approximate size you need, please bear in mind that Alpinestars may be smaller than your current motorcycle boots, so you may need to go up a size to ensure a comfortable fit. Please use the size guide to help in finding which size boot you need, note this is only a guide and cannot determine an exact size.Quick code-2242025111