Alpinestars Supertech R - UK 8.5 / Eur 43 - Black / White

The Alpinestars Supertech R Motorcycle Boots are part of the racing and performance riding range from Alpinestars. They have gone through a rigorous program of upgrades to sharpen its performance features even further, offering enhanced comfort, protection and performance.Enhanced comfort, protection and performanceMain upper material Microfibre constructionOptimum abrasion resistance and high levels of flexibilityNew front flex area improves abrasion resistanceNew front flex area increases ventilation and airflowRear bellow in stretch microfibre for improved natural movementRedesigned Microfibre top gaiter with TPU over injectionNew synthetic microfibre panel on medial sideNew TPU shifter for increased protectionNew TPU shin plate for greater impact absorptionNew replaceable shin slider for additional abrasion resistanceNew TPU stretch panel design with zip for easy on / offHook and loop closure secures the puller zipMicro adjustable ratchet closure for optimised fitReplaceable co-injected TPU/Aluminium Toe SliderNew replaceable Heel plate slider for increased sliding performanceLightweight rubber sole construction for excellent peg gripSeparate, internally updated biomechanical inner BootieInner Bootie with external toe area with soft TPU reinforcementsAdditional Ankle padding for greater protectionCertified to CE EN13634:2017.The Alpinestars Supertech R Motorcycle Boots have been constructed using a main upper of Microfibre which offers optimum abrasion resistance and high levels of flexibility. There is also a new TPU stretch panel design with a zip which allows for an easier entry and exit, and a closer more optimised fit for the rider. There is also a hook and loop closure so that the puller zip remains in position, and a micro-adjustable ratchet closure on top of the boot for an optimised fit.Inside the boot, there is a separate updated bio-mechanical inner Bootie which has been made from 3D mesh and material for a greater structure and therefore rider comfort. The inner Bootie is also equipped with a new external Toe area with a soft TPU reinforcement for superior impact protection and stability during natural movement of the Foot.There is a new front flex area which improves impact abrasion whilst also ensuring natural movement of the foot front and back, It also increases the levels of ventilation and airflow to the foot thanks to improves breathability. The rear bellow has been redesigned in stretch microfibre to provide an improved natural front and back  movement of the foot. The top gaiter has also been redesigned with a construction of microfibre material with TPU over injection for enhanced prehensility, and a new synthetic microfibre panel on the medial side of enhanced abrasion resistance and improved feeling when in contact with the Bike. There is also a new TPU shifter for increased protection on the lower medial side. There is a new TPU Shin plate which has been redesigned to provide greater impact absorption, therefore