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LS2

LS2 Helmets Stream II Full Face Motorcycle Helmet W/ SunShield

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Availability: Only 4 left in stock, order soon!
Fulfilled by Black Hills Moto
Arrives Tuesday, Apr 28
Order within 5 hours and 59 minutes
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Size: Medium


Color: Gloss White


Features

  • Polyester
  • Made in USA or Imported
  • High tech, aerodynamic, sport styled Kinetic Polymer Alloy shell
  • AREM rotational energy management meets ECE 22.06 standards
  • Dynamic, flow-through ventilation
  • Helmet shown with optional tinted shield. (Ships with clear shield only)
  • DOT approved. Meets the FMVSS 218 Standard

Description

The LS2 Stream II is a full-face motorcycle helmet designed for street riders seeking premium performance and protection. Featuring an integrated retractable sun shield and sport-styled aerodynamic shell, this helmet delivers advanced safety technology at an exceptional value. The shell is constructed from LS2's proprietary Kinetic Polymer Alloy (KPA), which uses nanotechnology to blend microscopic aramid fibers with high-end polymer for superior energy management and controlled flexibility. Advanced Rotational Energy Management Technology (AREM) enables compliance with ECE 22.06 rotational impact standards. Meets DOT FMVSS 218 safety standards. The helmet utilizes 3 shell sizes and 5 EPS liner densities for optimized fit across all sizes. The optically correct Class A polycarbonate shield is Pinlock-ready for fog prevention. A rear spoiler enables dynamic flow-through ventilation during active riding. The 3D laser-cut foam cheek pads and removable liner with flex- crown comfort system provide all-day wearability and easy cleaning. Designed with an intermediate oval fit profile. Ships with clear shield; optional tinted shields available separately. Key Features: SAFETY – Meets ECE 22.06 and DOT FMVSS 218 standards SHELL – Kinetic Polymer Alloy with aramid fiber nanotechnology blend AREM TECHNOLOGY – Advanced rotational energy management system SHIELD – Pinlock-ready Class A polycarbonate with integrated sun visor FIT SYSTEM – 3 shell sizes with 5 EPS liner densities, intermediate oval VENTILATION – Rear spoiler with dynamic flow-through design COMFORT – 3D laser-cut cheek pads, removable liner, flex-crown system

Color: Gloss White


Brand: LS2


Vehicle Service Type: Motorcycle


Material: Kinetic Polymer Alloy (KPA)


Sport: Motorcycle


Brand Name: LS2


League Name: Harley-Davidson


Team Name: Harley-Davidson


Model Number: 808-1023


Manufacturer: LS2 Helmets


Included Components: Helmet


Unit Count: 1.0 Count


Warranty Description: 2 Year Manufacturer


Color: Gloss White


Style Name: Classic


Shape: Rectangular


Compatible with Vehicle Type: Motorcycle


Sport Type: Motorcycle


Closure Type: Buckle


Material Type: Kinetic Polymer Alloy (KPA)


Shell Type: Polycarbonate


Certificate Type: DOT


Specification Met: FMVSS 218


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Apr 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Great helmet for the $$
Size: Medium Color: Gloss White
Review Image by Gary
Review Image by Gary
Review Image by Gary
Review Image by Gary
Review Image by Gary
I purchased this helmet after riding with a used Shoei helmet for a few months for comparison. My motorcycle is a cruiser and I've been using it with my windshield on, so can't speak on wind noise yet. I plan to remove the windshield once the weather is permanently warmer, so hopefully have an update on that soon. With a windshield, the noise reduction is good. I also installed bluetooth speakers, which probably helps. Pros: - I REALLY like that the inner visor seems to come down further than some other brands (see image) - weight is awesome for this price point, similar to my Shoei which is a much higher price point - quality construction: visor lock in the front/middle works well, visor hinges are solid and easy to remove/reinstall, micro adjust chinstrap is great, slider for inner visor is solid (although the placement means you almost have to use adhesive to install bluetooth?); see image for how I attached a bluetooth- maybe could have slipped behind the slider? - love the looks (bought white for summer riding- hopefully just a little cooler) - ventilation seems solid (either open or closed- one setting) - vents flow air decently (not sure you can "feel" a lot of air flow with any motorcycle helmet vents- similar to my Shoei) - dropdown visor is pretty good (I'd prefer darker, but seems like most are just the similar gray tinting) Not so much Cons, but things to consider: - sizing for my head said medium, I had to purchase XL cheek pads as the size that comes with Medium were unbearably tight - the XL cheek pads (again purchased separately- additional cost) are much better - the visor only has two "ratchet" positions- half and full open, so trying to vent just a bit for fogging works but is not a locked in position - probably similar with most helmets, but I installed a pinlock (additional cost) which works great until you put the dropdown visor down... which fogs up- and doesn't "unfog" for longer than the visor typically would at speed (small issue, but something to keep in mind) - I've tried to remove the chin curtain (included) and it doesn't want to come out. It's supposed to be removable, per the manual, but I've pulled hard enough that I was worried it would tear and it didn't budge. If I figure that out, I'll update with the noise report later. I'd probably get something without the additional dropdown visor if doing things over. It's just not dark enough for my taste and it fogs really easily- even in warmer weather when sitting. I'd prefer to just use sunglasses which do work with this helmet instead of putting down the inner visor. Not a deal breaker, just something to think about. Overall, I'd definitely recommend the LS2. It's comfortable (using a different size cheek pad) and all parts seem well built and designed. ... show more
Reviewed in the United States on April 18, 2026 by Gary
    • Great looking helmet, and cost effective!
Size: 3X-Large Color: Gloss Vintage White/Blue/Red
Greeeeat helmet. I had a brake pad come off of a car in front of me on the highway. Helmet took it like a champ and saved my money maker! The company even helped with out with a warranty when the mouth piece broke off during that experience. If you live somewhere where the weather can cause condensation from your breath, look into getting a pin lock insert, with that installed the helmet has been made perfect for me. I enjoy the built in visor for when my sunglasses aren't completely cutting it, and my sunglasses fit comfortably while wearing the helmet which is a huge pro for me. The only con would be wind noise, but I sit high on my bike where the windscreen isn't blocking all of the air. I've also got long hair which breaks the seal around my neck, so at speed I notice the wind noise a lot more than just driving through the city. Could be me, could be the helmet, just something to be aware of. ... show more
Reviewed in the United States on August 14, 2025 by Raymond Ellis
    • Good basic helmet
Size: Medium Color: Gloss White
Review Image by Michael Martin
I mostly bought this due to the ECE 22.06 rating, weight, and most of my ridding is in the city. So for all that I feel it is a good helmet for the level of comfort and protection. There are the smallest black paint imperfections, yet honestly nobody will see them when I ride. Plus for the price is really is light weight and has some good noise reduction. I am one of those in-between medium and large sizes, I went with the medium size and it is breaking in to a good fit. I am used to D-Rings, yet the strap isn't hard at all to get use to. I really enjoy the minimal gloss white with a bit shimmer it has to it. Plus the LS2 logo is nothing too crazy. Vents are good and I ride without a chin curtain as most of my rides are around town. Still even without it I like the extra air flow. I wear glasses and they work just fine, even with the drop down sun visor. I do wish the sun visor would drop down a bit more, yet I would still rather just use my glasses. ... show more
Reviewed in the United States on August 18, 2025 by Michael Martin
    • Cool helmet
Size: X-Large Color: Matte America Gray/Black
Nice helmet, fits like any other full face for the most part. If you're ordering based on the size in their chart, go a size up of what you measure. I measure as a large, but XLarge is a better fit and still tight as it should be.
Reviewed in the United States on April 8, 2026 by jonathan starnes
    • I love it!
Size: Small Color: Gloss Black
The helmet is fantastic. I love the fit (comfortable) and the style. the color is great and the gloss looks fantastic. The value is perfect for what it costs. The ventilation is nice to have as well!
Reviewed in the United States on August 24, 2025 by Michelle L.
    • LS2 Helmet
Size: X-Large Color: Gloss White
Definitely great buy. High quality for great price.
Reviewed in the United States on February 27, 2026 by Chip
    • Great helmet, glossy paint
Size: Large Color: Gloss Fury Black/Red
Review Image by Yur Lit
The stock pictures of this helmet do not correctly represent the glossy paint thats on it. Picture shows it hanging on my wall. Has sun visor, 2 adjustable air vents, removable liner, room for speakers under liner. Its a nice helmet with 22.06 certification. Fits very tight when compared to another LS2 helmet I bought, you may need to go up a size. I bought this as a second helmet for passengers but ended up liking it more than my main helmet as it is much quieter than my main helmet (also from LS2). It does not have many vents, so I predict that I may switch back to the main helmet in the summer as it may get too hot for the Texas summer... ... show more
Reviewed in the United States on February 17, 2024 by Yur Lit
    • Regular sizes might be good, dont bother with XXL or XXXL.
Size: 3X-Large Color: Gloss White
Woudl be a great helmet and would get a lot higher rating except for one thing. LS2 seems to think that helmet sizes only expand in 2 dimensions when you get up to 3XL, front-to-back and side-to-side. Height doesnt seem to change from S to 3XL like we have flat disc heads that get rounder as they get bigger but stay thin vertically. On the 3XL my chin is actually slightly lower than the edge of the helmet. And the cheek/chin pads? The little extra curve at the bottom lines up between my teeth and shoves the side of my cheeks between my teeth. Noise level is good, I can use lighter earplugs. Main visor stays clear and doesnt fog, but the drop down sun visor fogs instantly in 50 degree weather. (I ride in Denver, as cold as 20 with bright sun). Airflow is odd, maybe because of the vertical size. I get a LOT of air blowing up from my chin area into my eyes. ... show more
Reviewed in the United States on March 3, 2026 by Brendan Johnson

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