Alpinestars S-MX 5 Boot

Alpinestars Size Chart

The Alpinestars S-MX 5 Boot is a performance road and track boot that incorporates the latest technical footwear design and material. This boot is known for its comfortable snug fit, safety performance, and adjustability.

Boot Constructions

• Upper is constructed of durable, high-tech micro-fiber that offers a high level of flexibility

• Lining is comprised of quick drying nylon, open-cell foam, and high density contoured padding, which work together to absorb shocks to the foot

• Compound rubber sole features structured shank reinforcement that adds support to the foot arch

Protection

• Inner protection is a double-injected panel connected to the heel counter. It is hidden beneath the outer shell and running up the outer ankle

• Double-injected polyurethane shields the shin, ankle, calf, toe, and heel from impact while minimizing abrasion

Fit and Features

• Ergonomic ultra-precise fit

• Large profile instep and Achilles flex for comfort and flexibility

• Inner side entry system provides a wide easy-access opening
  

• An elastic mounted zipper and extra wide Velcro® flap give a precise, comfortable fit

• Mesh air vents at the ankle, heel, and forefoot provide airflow

• MTP mesh liner keeps the foot cool and comfortable

• Polyurethane foam foot bed is anatomical and removable
  

• Interchangeable toe slider is made of bi-injected polyurethane and snaps in

• CE-certified