About Highway 21
Highway 21 builds riding jackets, gloves, boots and rain gear aimed at V-twin riders who want protection that still looks right on a cruiser rather than a track bike.
The Highway 21 .357 Half Helmet in gloss black offers DOT-approved protection and classic style for V-twin riders. Built with a lightweight ABS shell and an EPS foam interior, it provides dependable comfort and safety. This helmet is a no-frills, straightforward option for daily riding on your Harley or Indian.
Why riders pick this
- D.O.T. approved for street use
- Lightweight ABS shell with EPS foam
- Washable Coolmax® liner
- Classic gloss black finish
- Dual D-ring chinstrap security
For those who prefer a minimalist approach to head protection, the Highway 21 .357 Half Helmet in gloss black is an excellent choice for your V-twin. Its clean lines and robust construction deliver both style and essential safety, meeting D.O.T. standards. The lightweight design ensures that you can ride comfortably for hours, making it a perfect companion for both short trips and long hauls.
Core Protection, Essential Comfort
- D.O.T. approved for complete street legality
- Durable lightweight ABS shell for ease of wear
- EPS foam interior for vital impact absorption
- Diamond-stitched Coolmax® liner is removable and washable
- Dual D-ring chinstrap for a secure and adjustable fit
Ready for the Road Ahead
The Highway 21 .357 Half Helmet is designed for the practical rider. Its Coolmax® liner is easily removable and washable, ensuring your helmet remains fresh and comfortable season after season. With its combination of classic aesthetics, reliable protection, and user-friendly features, this helmet is a solid choice for any V-twin owner seeking a dependable, no-nonsense lid.
Specifications
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Brand: Highway 21
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Manufacturer Part #: H77-1100S
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UPC: 191361252525
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Finish: Gloss black
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Shell Material: ABS
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Interior Material: EPS (Expanded polystyrene)
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Liner: Diamond stitched Coolmax®
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Length: 11.8 in
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Width: 10.2 in
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Height: 10.1 in
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Weight: 3.17 lbs
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Country of Origin: China (Taiwan)
Common questions
Is this helmet D.O.T. approved for street use?
Yes, the Highway 21 .357 Half Helmet is D.O.T. certified for street use, ensuring it is legal and meets safety standards in all U.S. states.
Can the interior liner be washed?
Yes, the Coolmax® liner is removable and washable, allowing you to easily keep your helmet's interior clean and fresh. A replacement liner is also available.
What is included with the helmet purchase?
The .357 half helmet comes with a protective helmet bag for convenient storage and transport.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.