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Perforated panels and strategically positioned TPU vents ensure constant air circulation on hot track days, while accordion stretch zones maximize range of motion when riding aggressively. Built with premium replaceable parts, these boots deliver consistent, high-level performance season after season.\u003c\/p\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eAdvanced microfiber upper construction with soft microfiber front flex area for enhanced abrasion resistance\u003c\/li\u003e \u003cli\u003eMulti-Link Control system offers external ankle support, protecting against hyper-torsion, hyper-extension, and hyper-flexion\u003c\/li\u003e \u003cli\u003eDual-density TPU replaceable toe slider with a secure screw-in assembly\u003c\/li\u003e \u003cli\u003eMicro-adjustable ratchet top closure with a hidden tab end for a streamlined fit\u003c\/li\u003e \u003cli\u003eAnatomical and replaceable countered EVA footbed provides comfortable support\u003c\/li\u003e \u003cli\u003eAdvanced synthetic forefoot lining laminated with open-cell foam for premium shock absorption\u003c\/li\u003e \u003cli\u003eHighly breathable lining throughout the ankle and leg areas ensures all-day comfort\u003c\/li\u003e \u003cli\u003eDurable rubber sole engineered for maximum grip and enhanced riding feel\u003c\/li\u003e \u003cli\u003eInner instep speed lacing closure combined with a unique lateral zipper provides a precise and secure fit\u003c\/li\u003e \u003cli\u003eAlpinestars Lace Lock System crafted from advanced polymer resin guarantees quick and dependable closure\u003c\/li\u003e \u003cli\u003eHook and loop tab locks the zipper pull flat and securely in place\u003c\/li\u003e \u003cli\u003eCE-certified to EN 13634:2017 standards\u003c\/li\u003e \u003c\/ul\u003e","brand":"ALPINESTARS","offers":[{"title":"Black \/ Red \/ 41","offer_id":48277882077405,"sku":"4102-0001-41","price":539.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ Red \/ 42","offer_id":48277882110173,"sku":"4102-0001-42","price":539.95,"currency_code":"USD","in_stock":false},{"title":"Black \/ Red \/ 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