{"product_id":"alpinestars-boot-stech","title":"Alpinestars Boot Stech","description":"\u003cp\u003eMain upper material constructed using Microfiber for optimum abrasion resistance, while also delivering high levels of flexibility\u003c\/p\u003e\u003cp\u003eNew front flex area increases ventilation and airflow for additional breathability\u003c\/p\u003e\u003cp\u003eAlmost every component of the Supertech R Boot, Alpinestars definitive racing boot as worn by a roster of champions past and present, has undergone a rigorous program of upgrades to sharpen its performance features even further. Featuring innovations derived using feedback from Alpinestars involvement in top flight racing, key elements include a newly redesigned front flex area, a redesigned rear protection and the performance of this boot to a new class-leading high bellow, a redesigned top gaitor,  a new shifter and shin plate, a new shin slider and a new inner bootie, all of which enhance the comfort\u003c\/p\u003e\u003cp\u003eNew front flex area for improved impact abrasion while also ensuring the natural front and back\u003c\/p\u003e\u003cp\u003eNew synthetic microfiber panel on medial side for enhanced abrasion resistance and improved feeling when in contact with the bike\u003c\/p\u003e\u003cp\u003eRedesigned top gaiter in microfiber material with TPU over injection for enhanced prehensility\u003c\/p\u003e\u003cp\u003eNew TPU shifter for increased protection on lower medial side\u003c\/p\u003e\u003cp\u003eRedesigned rear bellow in stretch microfiber for improved natural front and back movement\u003c\/p\u003e\u003cp\u003eNew replaceable shin slider for additional abrasion resistance\u003c\/p\u003e\u003cp\u003eNew TPU shin plate has been redesigned for greater impact absorption performance, thus improving abrasion resistance in a key area\u003c\/p\u003e\u003cp\u003eHook and loop closure secures the puller zip remains in position\u003c\/p\u003e\u003cp\u003eReplaceable co-injected TPU\/aluminum toe slider with an easy screw system that protects the toe area against abrasion resistance\u003c\/p\u003e\u003cp\u003eNew TPU stretch panel design with zip for an easier entry and exit and a closer, more optimized fit\u003c\/p\u003e\u003cp\u003eSole constructed using a lightweight rubber compound for excellent grip on the pegs\u003c\/p\u003e\u003cp\u003eMicro adjustable ratchet closure on top of boot for an optimized fit\u003c\/p\u003e\u003cp\u003eNew replaceable heel plate slider design offers increased sliding performance and protection in the case of crash\u003c\/p\u003e\u003cp\u003eSeparate, internally updated bio-mechanical inner bootie made by 3d mesh material for greater structure, thus improving rider comfort\u003c\/p\u003e","brand":"Alpinestars","offers":[{"title":"Vintage Black \/ 39","offer_id":40551160086574,"sku":"2220121-10-39","price":899.99,"currency_code":"CAD","in_stock":true},{"title":"Vintage Black \/ 40","offer_id":40551160119342,"sku":"2220121-10-40","price":899.99,"currency_code":"CAD","in_stock":true},{"title":"Vintage Black \/ 41","offer_id":40551160152110,"sku":"2220121-10-41","price":899.99,"currency_code":"CAD","in_stock":true},{"title":"Vintage Black \/ 42","offer_id":40551160184878,"sku":"2220121-10-42","price":899.99,"currency_code":"CAD","in_stock":false},{"title":"Vintage Black \/ 43","offer_id":40551160217646,"sku":"2220121-10-43","price":899.99,"currency_code":"CAD","in_stock":false},{"title":"Vintage Black \/ 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