Alpinestars Nucleon KR-Celli Back Protector

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The extremely lightweight, CE-certified KR-CELLi Protector insert features an articulated back shell plate for flexibility and riding fit, plus an advanced micro-structure cell design for efficient impact energy absorption and high levels of airflow

Product Features:

  • Back Protection – EN 1621-2:2014 Level 1
  • The ultra-lightweight Nucleon KR-CELLi Protector insert is developed in three waist-to-shoulder dimensions to cover all body sizes.
  • The triple segmented back shell plate is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties.
  • The back protector's structure design and structural change from centre towards the outside provide the perfect balance between force dispersion and energy absorption.
  • Unique cell micro-structure designed for advanced energy absorption, adaptivity, maximum breathability and air flow.
  • Ergonomic protection plate contours to the natural curve of the back ensuring optimum fit while riding.
  • Horizontal flexion groves for an adaptive fit in different riding position.
  • Soft comfortable airmesh on the body side of the protector offers maximum breathability and rider comfort

Leather Jacket Size Guide:

    • Size Small: Women's Stella Jackets 36-38 Euro
    • Size Medium: Men's Jackets 44-50 Euro / Women's Stella Jackets 40-50 Euro
    • Size Large: Men's Jackets 52-64 Euro

Textile Jacket Size Guide:

    • Size Small: Women's Stella Jackets X-Small - Small
    • Size Medium: Men's Jackets X-Small - Medium / Women's Stella Jackets Medium - XXX-Large
    • Size Large: Men's Jackets Large - XXXX-Large

Alpinestars Nucleon Back Protector Insert Size Chart for Leather Gear

Alpinestars Nucleon Back Protector Insert Size Chart for Leather Gear

Alpinestars Nucleon Back Protector Insert Size Chart for Textile Gear

Alpinestars Nucleon Back Protector Insert Size Chart for Textile Gear