Riders Plus Membership
Track Order
Contact Us
Product Details
Product Description
Part Numbers
Sizing & Fit
Alpinestars Nucleon KR-3 Back Protector
Highly flexible and breathable, the Alpinestars Nucleon KR-3 Back Protector is engineered for maximum performance. Using hard shell backed with a soft viscoelastic PU foam compound, the KR3 achieves both max comfort and extraordinary impact absorption.
Features:
- 3 waist-to-shoulder dimensions in order to cover all body sizes
- Lattice-structured back shell plate constructed from a high performance polymeric material blend for optimized flexibility and excellent weight-saving properties
- Soft viscoelastic PU foam compound
- Ergonomic design design to absorb high impacts and allow maximum breathability and air flow
- Nucleon PU foam on the central spine for extraordinary impact absorption performance
- Convex central hard shell provides highest protection for the spine
- Horizontal flex grooves for adaptive fit in all riding positions
- Adjustable rib protector constructed of high performance polymeric material blend for additional side protection
- Shoulder blade protective padding extensions protect the acromion bone
- Waist adjustment for customized fit
- Slim vented kidney belt for added position stability and security
- Adjustable, detachable elastic shoulder straps
- Compatible with the Alpinestars Nucleon KR-C Chest Protectors (sold separately)
- Compatible with the Alpinestars Nucleon KR-TB Protector (sold separately)
- CE certified to EN 1621-2:2014 Level 2
| Product Style | RevZilla Item # | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|
| Product Style Black/Red / XS | RevZilla Item #1242702 | Store Sku | MFR. Product #6504718-13-XS | AvailabilityIn Stock: Ships in 1-2 business days |
| Product Style Black/Red / SM | RevZilla Item #1242703 | Store Sku439177 | MFR. Product #6504718-13-S | AvailabilityIn Stock: Ships next business day |
| Product Style Black/Red / MD | RevZilla Item #1242704 | Store Sku | MFR. Product #6504718-13-M | AvailabilityIn Stock: Ships next business day |
| Product Style Black/Red / LG | RevZilla Item #1242705 | Store Sku | MFR. Product #6504718-13-L | AvailabilityIn Stock: Ships next business day |
| Product Style Black/Red / XL | RevZilla Item #1242706 | Store Sku439178 | MFR. Product #6504718-13-XL | AvailabilityIn Stock: Ships in 1-2 business days |
Men's Back Protector
| Euro Size | US Size | Alpha Size | Chest (cm) | Waist (cm) | Height (cm) |
|---|---|---|---|---|---|
| 40-42 | 30-32 | 2XS | 78-83.5 | 63-69 | 157-162 |
| 42-44 | 32-34 | XS | 83.5-89 | 69-75 | 163-168 |
| 46-48 | 36-38 | SM | 89-94.5 | 75-81 | 169-174 |
| 48-50 | 38-40 | MD | 94.5-100 | 87-82 | 175-179 |
| 52-54 | 40-42 | LG | 100-105.5 | 87-92 | 180-184 |
| 54-56 | 44-46 | XL | 105.5-111 | 92-97 | 185-189 |
| 58 | 48 | 2XL | 111-116.5 | 97-102 | 190-194 |
| 60-62 | 50-52 | 3XL | 116.5-122 | 102-107 | 190-194 |
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.
How to Measure
-
C
Chest
Measure around the fullest part of your chest, under the armpits, keeping the measuring tape parallel to the ground.
-
H
Height
With no shoes on, stand with your back against a wall and your feet together. Measure from the floor to the top of your head.
-
W
Waist
Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.
Product Description
Part Numbers
Sizing & Fit
13 Customer Reviews
5/5
12 Questions & 13 Answers
Reviews & Questions
13 Customer Reviews
12 Questions & 13 Answers