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- USA
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Ships within 48 hours · Estimated delivery Oct 1 - Oct 6
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
ALPINESTARS Nucleon KR-3 Back Protector - Black/Red - XL 6504718-13-XLDeveloped in three waist to shoulder dimensions in order to cover all body sizes Lattice structure back shell plate is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties combined with soft viscoelastic PU (polyurethane) foam compound construction Single injected lattice structure shell with an ergonomic design to absorb impacts and allow maximum breathability and airflow
- Developed in three waist-to-shoulder dimensions in order to cover all body sizes
- Lattice structure back shell plate is constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight-saving properties combined with soft viscoelastic PU (polyurethane) foam compound construction
- Single injected lattice structure shell with an ergonomic design to absorb impacts and allow maximum breathability and airflow
- Nucleon PU foam on the central spine area for additional impact absorption performance
- Additional convex design on the central hard shell provides the highest level of protection for the spinal area
- Horizontal flex grooves for an adaptive fit in all riding positions
- Adjustable rib protector made with high-performance polymeric material blend for additional side protection
- Shoulder blade protective padding extensions to guard the acromion bones
- Waist adjustment for a customized fit
- Slim, vented kidney belt for added position stability and a custom fit
- Adjustable, detachable elastic shoulder straps via snap-fit system for a comfortable fit
- Compatible with the Nucleon KR-C and Nucleon KR-TB protectors
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
4.6 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Nice Sweater
Color: 01-black, Size: Large
This is a very nice sweater. It’s reasonably thick and warm. Looks nice. I like it.
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Reviewed in the United States on January 18, 2026
★★★★★ 5
Nice turtle neck sweater
Color: Royal Blue, Size: Small
It was true to size a perfect fit and the color is beautiful. Nice sweater for the amount paid.
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Very good
Color: 01-black, Size: Small
It looks so good on my bf, he really like it. The quality is so perfect.
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Good quality
These fit so well material is very tick nice for winter they have all different colors and it’s so comfy it’s really good value for your money for that level of thickness
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Reviewed in the United States on September 30, 2025
★★★★★ 5
Buy it
If you're looking for a comfortable thick and nice turtle neck this is the one. It's nice and form fitting nice weight to it to keep you warm. But not to thick that you cant just wear it on a regular sunny day if you wanted. The design pattern Is also very nice. Can dress it up or down. I bought the black and then immediately bought the rust orange color for my friend once he tried on mine he wanted one immediately so I gifted him one. He loves it. Definitely worth the buy. Excellent quality. I bought a Large 5"11 165lbs
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Reviewed in the United States on December 21, 2024