Alpinestars SMX-S Boots Black. Made of microfiber, the SMX-S offer a sports design and exceptional safety levels. Comfortable and light, they afford high safety levels and precision riding. These boots have the latest advances in the development of footwear of Alpinestars. 


Main features:

• Upper made of  high tech microfiber which affords greater durability and flexibility.  
• Ergonomic design, very aerodynamic for better fit and comfort.  
• New design TPU protector on the shin for greater impact protection and abrasion resistance.  
• External injected TPR insert on the ankle which affords greater support and greater structural integrity and stability.  
• Technical textured TPU shifter guard for greater comfort and grip.  
• Replaceable built in bi-injected TPU slider, with a new screw fitment system which facilitates and eases the change.  
• Dual density TPU ankle protectors on the sides and middle which afford greater protection in key areas.  
• The front and Achilles heel area have a flexible, accordion construction for superior comfort, extension and control.  
• Zip side opening/closure system mounted on a plastic panel. The zip is covered with a large Velcro flap. This closure system allows for a secure fit and maximum flexibility. The opening is large in order to facilitate entry/exit.  
• New, removable, dual composite anatomical insole, which includes EVA and Lycra in the upper part for greater performance, support and comfort.  
• Toe box with internal reinforcement under the upper layer for greater protection and comfort.  
• Inner lining made with breathable fabric with non-slip reinforcement in the ankle area to hold the foot.  
• The sole has been made with a rubber composite exclusive to Alpinestars designed to improve feel and for optimum grip. The grip pattern favours water dispersion.  
• The Alpinestars SM-S boots are CE certified to standard EN 13634:2010.