kr gears Alpinestars Nucleon KR-3 Protector — Motorcycle Gear
SKU: 58059562131
kr gears

kr gears Alpinestars Nucleon KR-3 Protector — Motorcycle Gear

Sale price$21.50 Regular price$23.89
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 3 - Jul 8

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Description

kr gears Alpinestars Nucleon KR-3 Protector — Motorcycle GearThe Nucleon range of road protection features a superb anatomical fit and comfort. Constructed with innovative protector plates which are lightweight and feature a high performance polymeric blend for protection. Featuring new, modular rib protectors for strategic protection in a vulnerable area, the Nucleon KR 3 Protector offers excellent performance under an outer leather or textile garment. CONSTRUCTION Back protector CE certified to EN 1621_2:

The Nucleon range of road protection features a superb anatomical fit and comfort. Constructed with innovative protector plates which are lightweight and feature a high performance polymeric blend for protection. Featuring new, modular rib protectors for strategic protection in a vulnerable area, the Nucleon KR-3 Protector offers excellent performance under an outer leather or textile garment.

CONSTRUCTION

  • Back protector CE certified to EN 1621_2:2014 LEVEL 2.
  • Back protector constructed in three waist-to-shoulder dimensions in order to cover all the body size.
  • New structured back shell plate is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight-saving.
  • Protection incorporates hybrid construction with lattice shell with a new viscoelastic PU foam compound.
  • New single-injected lattice structure shell constructed with ergonomic design to absorb high impacts and allow maximum breathability and air flow.
  • New soft viscoelastic PU foam compound on the central spine area for fit, comfort and impact absorption.
  • Convex design on the central hard shell provides highest level of protection of the spine.
  • Horizontal flex channeling for adaptive fit in all riding positions.
  • New adjustable rib protector constructed from a high performance polymeric material blend for additional side protection.
  • New shoulder blade padding extensions to protect the impact areas.
  • Waist adjustment for customized fit and slim vented kidney belt for added position stability and security.
  • Adjustable and detachable elastic shoulder straps via snap fit system to allow a more comfortable use of the protector.
  • Compatible with the Nucleon KR-C protector.
  • Compatible with the Nucleon KR-TB protector.
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: 58059562131

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4.1 ★★★★★
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LAN
Louisville, US
★★★★★ 3
Not what I’d hoped
Color: Multicolor a (5-pack), Size: Small
The fabric is nice, soft without being overly bulky. The design was almost what I wanted. I’ve been trying to find underwear that won’t ride up and is comfortable to wear under leggings. The fabric has a LOT of stretch around the legs and deforms quickly. Then it rides up and wrinkles. Smaller leg openings might make the difference.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
H
Verified Purchase
Hailey Terzich
New York, US
★★★★★ 4
Great & Comfortable
Color: Multicolor B (5-pack), Size: X-Large, Color: Multicolor B (5-pack), Size: X-Large
I have bought 2 packs of this underwear. I love wearing them. They are very comfortable, and the size fits perfectly. I like most of the colors. The Bamboo Cool lettering on the front does come off after washing though. Otherwise the underwear has been great to wear.
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Reviewed in the United States on May 25, 2026
N
Verified Purchase
NMMo
Waukegan, US
★★★★★ 5
Better than woxer imo
Color: Multicolor B (5-pack), Size: Large
I've been buying Woxers, but theyre super expensive for what youre getting. These are similar in feel and style so i switched over. Another nice thing is i dont have to deal with wedgies like i do with the woxers. Theyre not perfect for wearing when its hot, youre still gunna sweat and these dont wick away sweat super well. But i havent seen many brands that do, and these are not the worst. Im 5'7" and 145lbs and these are comfy and tight enough but not snug. They still leave a bit of indentation on the love handles. You CAN tell that youre wearing them under pant if they are tight.
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Reviewed in the United States on May 11, 2026
L
Verified Purchase
Lisa Carlson
Bozeman, US
★★★★★ 5
Comfortable
Size: Small, Color: B004
Great Value , Sizing is as marked. Great color and fit.
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Reviewed in the United States on May 23, 2026
K
Verified Purchase
Kim Mayes
Belleville, US
★★★★★ 5
Perfect for us BBWs
Size: 3X-Large, Color: B002
I love the feel of these underwear. They are true to fit as well. I am 340lbs and bought size 3xl. They are comfortable and not tight in the legs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026

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