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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
For Your Every Summer RSVP, with Code: SUMMER15
Description
SM-3 Radium Youtth HelmetAnatomically engineered and profiled specifically for youth and younger riders Optimized for MX, Enduro and Offroad use Features a thermo injected shell incorporating a special polymer blend Engineered to deliver the optimal combination of impact protection and light weight Lightweight outer shell is constructed from a technologically advanced impact resistant thermoplastic Inner shell is constructed with a composite fiber assembled between the outer
- Anatomically engineered and profiled specifically for youth and younger riders
- Optimized for MX, Enduro and Offroad use
- Features a thermo-injected shell incorporating a special polymer blend
- Engineered to deliver the optimal combination of impact protection and light weight
- Lightweight outer shell is constructed from a technologically advanced impact-resistant thermoplastic
- Inner shell is constructed with a composite fiber assembled between the outer shell and the EPS liner for maximum protection against impacts
- Fit can be tailored to the rider’s head thanks to the helmet’s crown and cheek pads
- Medium and Large share the same EPS size and allows
- Medium to configure to a Large as the rider grows
- Multiple density inner liner ensures the helmet is equipped with the correct density in the correct area for enhanced impact absorption, while also helping reduce overall weight
- Inner and outer surfaces are engineered to minimize the effects of oblique impacts
- Alpinestars low friction coating is applied to the inner part of the main EPS liner to reduce the rotational acceleration forces that can result from certain oblique impacts
- Alpinestars visor release system ensures the visor is released with the correct pre-determined amount of force, effectively reducing the forces on the rider’s neck during an impact
- Comfort liner is constructed using recycled materials for a lower carbon footprint
- Hydration tube channels are integrated into the helmet’s cheek pads for convenience and performance
- Maximized ventilation and high levels of heat transfer exchange thanks to 10 inlets and 7 exhaust ports
- Visor has been designed to direct air into the ports for enhanced airflow
- Equipped with an Emergency Release System and removable cheek pads to permit the safe and easy removal of the cheek pads while the helmet is still on, while the 3D contoured foam ensures rider comfort
- Soft textile chin strap is 25 mm for optimal safety and rider comfort
- Stainless steel D-rings ensure a tight and secure fit
- Weighs 1,170 g
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.0 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
I’m happy with the jeans
Size: 40, Color: Pink
I am very satisfied with this purchase. A lot of compliments too. They fit well, stretch to the material but the skinny fit look. The quality so far is great.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Comfortable Jeans
Size: 38, Color: Khaki
Excellent pair of jeans. Super comfortable
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Reviewed in the United States on April 17, 2026
★★★★★ 4
MOM-1, PANTS-1...well, I guess we both win
Size: 32, Color: Black
Purchased for my 17 yr old son, about 6'2, 180, medium built.
PROS
-Black pair is a nice happy medium between faded black and pitch dark.
-Roomy around the waist, but not enough for children to sag (no, no, no,)
-excellent price for quality of product
CONS
-might be too comfortable for wearer, resulting in an request for an abnormal amount of additional pairs
-consistent compliments for wearer could cause inflated ego or confidence
OVERALL
I didn't hear any complaints from my son or "can you return this" which is a WIN for me, bc he's usually very picky. it's a whole thing with the length and the thickness, color, all of it. I thought these pants looked really nice, the color was casual enough for friends, and dressy enough for church. I was pleasantly surprised. Not a big fan of belts, but he is not comfortable with sagging (thank goodness), and the fit around the waist provided enough support to stay where they needed to. Pants also did not scrunch up at the bottom, and did not fit like capris. Product title described product to a T (or pants): slim fit stretch comfort casual classic solid- it was all of those in one!
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Reviewed in the United States on December 2, 2025
★★★★★ 5
Fits great
Size: 36, Color: Brown
Fit great 👍
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Reviewed in the United States on May 24, 2026
★★★★★ 3
Super long length but quality fabric
Size: 28, Color: Army Green
Fits more like skinny jeans rather than slim fit. It’s a size 28 so my waist fits fine but the length is super long for no reason. I decided to keep it due to the fabric material feeling. I fold the bottom of the pants to make it look for fit. I’m 5’4.
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Reviewed in the United States on March 11, 2026