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The Alpinestars Stella Tech 3 Boot is engineered for an optimized women’s fit, with particular attention to the calf area. Designed for comfort, protection, and personalized closure, it features a one-piece injected foot shell for impact protection and an ergonomic buckle system that provides a secure, adjustable fit.
The PU-reinforced microfiber upper offers flexibility, abrasion resistance, water resistance, reduced weight, and easy maintenance. A contoured high-modulus TPU shin plate helps resist impact and abrasion, while a sculptured TPU medial panel improves grip contact with the bike and adds heat and abrasion resistance. The dual-compound foot shell includes a co-injected hard toe protector and integrated steel shank.
Low-profile medial and lateral pivot systems support controlled movement, while accordion flex zones at the instep and Achilles area enhance flexibility. An extended microfiber gaiter helps limit water and dirt entry, and soft poly-foam padding around the ankles and collar provides comfort and shock absorption. An internal mesh lining promotes air circulation, while the removable anatomic footbed supports comfort and even weight distribution.
The replaceable rubber sole is integrated into the base structure for durability, grip, and feel. The buckle system uses polymer and fiberglass buckle arms with high-impact aluminum bridge closures, and the buckles are replaceable. The Alpinestars Stella Tech 3 Boot is CE certified to EN 13634:2010.
Features:
- Women's Fit: Specially designed for an optimized women's fit, particularly around the calf area.
- Microfiber Upper: PU-reinforced microfiber provides flexibility, abrasion resistance, water resistance, reduced weight, and ease of maintenance.
- Shin Protection: High-modulus TPU contoured shin plate helps resist impact and abrasion.
- Medial Protection: Sculptured TPU panel improves bike grip contact and provides heat and abrasion resistance.
- Foot Shell: One-piece injected dual-compound shell includes a hard toe protector and integrated steel shank.
- Flexion System: Low-profile medial and lateral pivots provide movement and support.
- Flex Zones: Instep and Achilles accordion zones support control and movement.
- Gaiter: Extended microfiber gaiter helps limit water and dirt entry.
- Padding: Soft poly-foam padding around the ankles and collar provides comfort, fit, and shock absorption.
- Lining: Internal mesh textile lining supports air circulation and comfort.
- Closure: Ergonomic buckle system provides secure, personalized closure, with replaceable buckles.
- Buckle Construction: Polymer and fiberglass buckle arms with high-impact aluminum bridge closures provide durability and reduced weight.
- Footbed: Removable anatomic footbed supports comfort and even weight distribution.
- Sole: Replaceable rubber sole provides durability, grip patterning, and feel.
- Certification: CE certified to EN 13634:2010.

