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ALPINESTARS Stella SMX-6 V3 Boots (Black/White) – US 9 / EU 41 Race-derived protection meets a female-specific fit in the ALPINESTARS Stella SMX-6 V3 track/performance boot—built to excel on the street, track, and adventure touring days. Engineered to deliver a snug, comfortable feel and advanced safety where it matters most, these over-calf performance boots feature lightweight construction and targeted impact/abrasion zones for confident riding. Key Features Anatomically engineered for an optimized female fit with race-inspired safety and protection. Advanced microfiber upper for lightweight, flexible comfort and excellent abrasion resistance. Front and back flexion zones with textile over-injected soft TPU to support natural movement and impact protection. Unique ankle brace protection system for bio-mechanical support, reducing hyper-torsion/hyper-extension/hyper-flexion while protecting Achilles and ankle. Lace-Lock System with advanced polymer resin for quick, precise, secure closure. TPU shifter zone for superior lower medial-side protection. Race-derived TPU shin plate for impact and abrasion resistance. Dual density TPU ankle protectors strategically placed for targeted protection. Replaceable TPU toe and heel sliders for flexible walking comfort and enhanced crash abrasion coverage. Specifications Brand/Model: ALPINESTARS Stella SMX-6 V3 Base Color: Black | Color/Finish: White Size: US 9 / EU 41 (Adult) Fit: Over-Calf Materials: Microfiber , Thermoplastic Polyurethane (TPU), Thermoplastic Rubber (TPR) Riding Style: Adventure Touring / Dual-Sport & Sport Units: Pair
Anatomically engineered for an optimized female specific fit, and packed with a host of innovative safety and protective features
Stella SMX-6 v3 is the ultimate track and performance riding all-rounder, and incorporates race-derived technology and materials to give riders a crucial performance edge on the track, and street
Female dedicated fit for optimum comfort
Advanced microfiber upper construction for lightweight high performance protection against abrasion and superb levels of flexibility
Front flex and back flexion zones are constructed with textile over-injected with a soft Thermoplastic Polyurethane (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 lateral top calf, shin and ankle, for superior ankle articulation, while also limiting hyper-torsion, hyper-extension and hyper-flexion, as well as providing Achilles and ankle impact protection
Alpinestars Lace-Lock System is constructed from an advanced polymer resin for a guaranteed quick, precise and secure closure
Equipped with TPU shifter zone for superior protection on the lower medial side
Strategically positioned, race-derived TPU shin plate protector delivers superior impact and abrasion resistance
Dual density TPU ankle protectors are strategically positioned between the upper and padded lining to provide the strategic protection in key areas
Replaceable, dual density TPU toe slider with screw-in assembly provides comprehensive protective coverage around the outer toe area while still being supremely flexible for walking comfort
Replaceable heel slider and external side heel slider are strategically positioned for optimum shock dissipation and absorption, while promoting sliding in the event of an accident