SKU: 97899421553

Alpinestars - Supertech S-M10 Dyno Helmet

Sale price$188.97 Regular price$209.97
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Description

Alpinestars - Supertech S-M10 Dyno HelmetAlpinestars Supertech SM 10 Dyno Helmet With years of development, Alpinestars has raised the bar in the high end motocross helmet market with the all new Supertech SM 10 motocross helmet. Featuring carbon fiber construction and innovative features that are exclusive to Alpinestars such as the A head interior liner for supurb fit, four different EPS densities and a MIPS rotational layer that offers a high level of impact absorption. MIPS is a proven

Alpinestars - Supertech SM-10 Dyno Helmet

With years of development, Alpinestars has raised the bar in the high-end motocross helmet market with the all new Supertech SM-10 motocross helmet. Featuring carbon fiber construction and innovative features that are exclusive to Alpinestars such as the A-head interior liner for supurb fit, four different EPS densities and a MIPS rotational layer that offers a high level of impact absorption. MIPS is a proven safety system that helps reduce the rotational movement in the helmet by absorbing and redirecting the energy/forces that would otherwise transmitted to the brain. 
The SM-10 helmet is filled with new technology such as Alpinestars patented Visor system that has been developed to provide the right level of resistance to release when needed from impacts in any direction. The interior of the SM-10 helmet has been designed with maximum ventilation in mind. An interior air network channels incoming air through the helmet to keep rider's head cool, while continuing to pull hot air away and through the large exhaust vents. 
The helmet has been designed for riders that wear neck braces and those that don't The bottom area of the helmet is raised to clear rider's collarbone area as much as possible. This gives dirt bike riders confidence while riding on the track, trail, or anywhere else.  The SM-10 is also hydration system ready, as it has a channel inside the chin bar specifically for hydration tubes. 
BTO Sports is your Alpinestars SM-10 Helmet source with all the colors and sizes you need. 

Features:

  • A-Head: Patented system allows easy adjustment of the angle that the helmet sits on your head. MIPS system is also included in the helmet.
  • Visor: Patented system has been developed to provide the right level of resistance to release when needed with impacts from any direction. The visor system is light weight.
  • Collarbone: The bottom side of the helmet is raised to clear the collarbone as much as possible for riders who choose not to wear a neck brace system. In addition, the bottom trim is soft on the collarbone area. 
  • Mouthpiece: To maintain strength of the mouthpiece, a radial ridge has been incorporated which assures complete strength to the front of the helmet.
  • Maximum Ventilation: The Interior air network channeling has extremely high ventilation values made possible by the airflow design and the location of all air intakes and outlets
  • Four Individual Shell Sizes:  XS/S, M, L, XL/2XL
  • DOT/ECE Rated
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 97899421553

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Lynn M
Charlottesville, US
★★★★★ 3
Disappointed.
Color: Blue, Size: Large, Color: Blue, Size: Large
This sweater is so comfortable and very soft. It fits well in a flattering, oversized way. But after one wash it is pilled everywhere which makes it look old and shabby. It’s at a price point where I feel compelled to return it.
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Reviewed in the United States on January 10, 2026
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TripletMama Heather
Los Angeles, US
★★★★★ 5
Perfect for casual wear and dressy style
Color: Dark Green, Size: Small
This sweater is soooo soft and the color is so rich. The fit of it is perfect, not too tight and not too baggy, just right and I used the size guide to pick my size. Just for reference, I am 5'3" and 130lbs, 38C bust. It's well made and washes great. I chose to hang dry mine as I typically don't put any of my sweaters in the dryer to dry, just to fluff them. I have this one in two colors, the green and the tan/beige and I would say they are both a true representative of the color shown.
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Reviewed in the United States on November 15, 2025
M
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MMF
Pawtucket, US
★★★★★ 5
Love the long sleeves!!!
Color: White, Size: Small
Love it! I'm 5' 11" tall and I purchased this according to reviews. Several people commented on the length of the sleeves. I have a hard time finding sleeves long enough if it's not " tall" sized. It was perfect for me. If this washes nice I'm going to consider purchasing more in other colors. I ordered the white and just love the long ribbed cuffs with the line of buttons. Very soft.
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Reviewed in the United States on May 1, 2026
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Cindee
Grantham, US
★★★★★ 4
Nice cozy sweater, but handwashing is recommended
Color: Beige, Size: Medium
Soft and cozy, but does not wash well. Goes with everything. This sweater fits well and looks great. I received lots of compliments while wearing it.
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Reviewed in the United States on April 23, 2026
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Hillary K
San Leandro, US
★★★★★ 5
Great sweater for winters in the Midwest
Color: Black, Size: X-Large
Love this sweater! I went back and got another color! The fit is true to size and very comfy. The button detail on the sleeves just adds a little pizazz. The weight of the sweater is perfect for winters in the Midwest.
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Reviewed in the United States on May 30, 2026

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