Alpinestars SMX-6 V3 Boot RETIRED JUL 2026 NS means this track is

NS means this track is pre-studded with the studs installed in the tower" lugs to give traction when things get icy

Zippered inner mesh pocket

Ripstop nylon construction to handle the demands of traveling

The insert is made of a moisture absorbing plastic and therefore

Alpinestars SMX-6 V3 Boot RETIRED JUL 2026 NS means this track isFEATURES Advanced microfiber upper construction for lightweight high performance protection against abrasion and superb levels of flexibility New front flex and back flexion zones are constructed with textile over injected with a soft TPU for enhanced impact abrasion while also promoting a natural forwards and backwards movement Alpinestars unique ankle brace protection system provides a bio mechanical support and protection between the lateral top