Guide to Alpinestars Chest Protectors: Finding the Right Fit for Every Rider
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At Alpinestars, the mission is unwavering—protecting riders through relentless innovation and uncompromising testing. No one tests more, pushes harder, or invests deeper into rider safety than Alpinestars. Every product is built with the same singular focus as the champions they work alongside: to perform at the highest level, no matter the conditions. From the track to the trail, Alpinestars share the same vision—safety, performance, and progress.
“One Goal. One Vision.” These words capture the bond between Alpinestars and the athletes who inspire them. Just as champions devote themselves fully to training and racing, Alpinestars devotes itself fully to innovation and protection. Every lesson learned on race day becomes a breakthrough in design the very next. This cycle of dedication allows Alpinestars to deliver the world’s most trusted protection—so every rider, at every level, can push limits with confidence.
When it comes to motocross, safety is everything — and the right chest protector can make all the difference in both confidence and performance on the track. In this guide, we’ll take a closer look at some of Alpinestars’ most popular chest protectors, including the A-6 Chest Protection, the A-4, and the all-new Stella Plasma Roost Guard, designed specifically for women. By the end, you’ll have a clearer idea of which chest protector is best suited for your riding style and needs.
Alpinestars A-10 v2 Full Roost Guard – Black/Red
Maximum Protection and Comfort
When it comes to motocross and off-road riding, the Alpinestars A-10 v2 is the ultimate choice for riders who refuse to compromise on protection or comfort. With CE-certified safety levels and a modular design, this chest protector adapts to your riding needs while keeping you cool, secure, and confident on the track.
Key Features:
- Unrivaled Protection: CE Level 2 chest and back protection, CE Level 1 shoulders, and Alpinestars’ Embedded Grid Technology for superior impact absorption.
- Maximum Airflow: Ventilation channels and perforation zones keep you cool, even in tough conditions.
- Custom Fit: Adjustable kidney belt, removable bicep padding, and locking shoulder pads for a secure, personalized feel.
- Adaptable Design: Modular panels allow BNS neck support compatibility and riding style customization.
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Sizes: [Small], [Medium], [Large]
Alpinestars A-6 Chest Protector – Adult Black/Red
Lightweight Protection, Built for Performance
Designed for serious off-road conditions, the Alpinestars A-6 Chest Protector delivers a perfect mix of lightweight comfort and CE-certified safety. With flexible polymeric construction and a ventilated design, it’s ideal for riders who need protection that won’t slow them down.
Key Features:
- Certified Safety: CE Level 2 chest and back protection, with removable CE Level 1 shoulder protectors.
- Lightweight & Flexible: Polymeric blend materials provide excellent impact resistance without limiting movement.
- Breathable Design: Strategically placed perforations maximize airflow during intense rides.
- Custom Fit: Quick-release waist system and removable shoulders allow multiple configurations for rider preference.
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Sizes: [Small], [Medium], [Large]
Alpinestars A-5 Plasma Chest Protector – Black/Red/White
High-Tech Protection, Lightweight Feel
The Alpinestars A-5 Plasma Chest Protector is built for riders who demand serious safety without sacrificing mobility. With CE Level 2 certification for both chest and back, eco-friendly bio-based materials, and an airflow-focused design, this chest protector is tough, breathable, and ready for anything.
Key Features:
- Premium Protection: CE Level 2 certified chest and back protection with Nucleon Plasma viscoelastic technology.
- Lightweight & Breathable: Perforated 3D mesh keeps airflow moving and reduces fatigue.
- Eco-Friendly Toughness: Bio-based polymer construction balances durability with sustainability.
- Custom Comfort: Adjustable straps and removable padding ensure a personalized fit for every rider.
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Sizes: [Small], [Medium], [Large]
Alpinestars A-4 Max Chest Protector – Black/Anthracite/Yellow Fluo
Essential Roost Protection, Optimized for Comfort
The Alpinestars A-4 Max Chest Protector is perfect for riders looking for reliable CE-certified protection with a lightweight, flexible design. Whether on the motocross track, enduro trails, or ATV adventures, this guard offers all-day comfort and dependable coverage.
Key Features:
- Certified Coverage: CE Level 1 protection for both chest and back with triple-layer impact absorption.
- Unrestricted Fit: Removable shoulder pads and thermoformed rib panels maximize range of motion.
- Breathable Comfort: Ventilated bio-foam chassis and perforated shells keep riders cool.
- Versatile & Adjustable: Elastic closure system with adjustable straps ensures a snug, adaptable fit.
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Sizes: [Small], [Medium], [Large]
Alpinestars Stella Plasma Roost Guard – Female Chest Protector
Designed for riders who demand performance, comfort, and protection—this one's built just for you.
Alpinestars raised the bar for female riders with the Stella Plasma Roost Guard. Engineered from the ground up with a sports-bra-inspired fit, flexible Nucleon Plasma protectors, and premium airflow mesh, it blends aggression with all-day wearability. Lightweight, breathable, and made with eco-friendly materials, it's protection that adapts to your ride and your form.
Key Features:
- Female-Specific Fit: Ergonomic, soft-touch chassis shaped like a sports bra—built for comfort and support.
- Advanced Safety in Motion: Removable chest/back protectors made from USDA-certified Nucleon Plasma material absorb impact while staying flexible.
- Cool and User-Friendly: Breathable stretch mesh keeps airflow flowing; side zipper and adjustable V-belt make it easy to get on and dial in the fit.
- Extra Protection, Less Weight: Added abdominal Plasma padding for debris blocking, all without adding bulk.
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Sizes: [Small], [Medium], [Large]
Conclusion: Gear for Every Rider
Every Alpinestars chest protector is built with one goal in mind: to keep riders safe so they can ride harder. Whether you’re chasing maximum coverage with the A-10 v2, craving lightweight performance with the A-6, prioritizing eco-conscious tech with the A-5 Plasma, opting for versatility with the A-4 Max, or seeking a women’s tailored fit with the Stella Plasma, there’s a protector designed for your style and needs.
Ready to gear up? Shop the collection at Moto-House MX—your trusted source for premium Alpinestars safety gear.
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