This Alpinestars Supertech R Boots review considers the standard microfibre road/race model with an inner boot, ratchet adjustment and replaceable sliders. Its layered fit and fastening arrangement deserve attention before choosing it for regular riding or track use.
This is a specification-based buying guide, not a hands-on road test. We may earn a commission from purchases through our links, at no extra cost to you.
Inner boot fit and replaceable sliders
The 3D-mesh inner boot has soft TPU protection, with the outer boot adding microfibre, stretch sections and a TPU-reinforced gaiter. Fit the inner and outer components as instructed, then secure the zip, hook-and-loop closure and micro-adjustable strap. Check for pressure around the ankle and heel rather than assuming the usual shoe size will give the right fit through both layers.
Toe, shin and heel slider components are listed as replaceable. Confirm part compatibility and the fitting procedure for this exact version; replacement of a worn slider does not establish that a damaged boot is otherwise sound. The rubber sole and shifter reinforcement are relevant contact details. Compare the separate Vented version if perforation is a priority, and assess waterproofing separately because the checked standard specification does not list a waterproof membrane.
Protection and construction
The specification lists protection at the shin, toe sliders, heel and ankle. Check that these areas sit correctly when you adopt your riding position.
Versions and options
The checked listing links to these options: Black / Red Fluo / White / Grey, Black / Magenta / White / Yellow, Jorge Martin Flyte Limited Edition Purple / Red / Black, Fluo Yellow / Black, Bright Red / Red Fluo, Black / Black, Black / White, Black. Check the selected version and available sizes before ordering; the linked price may apply to a particular option.
See our motorcycle boot reviews for more buying guides.
Related reading: Alpinestars Stella SMX Plus V2 Boots Review.