Alpinestars 2021 Bionic Action Jacket ::

Alpinestars 2021 Bionic Action Jacket


  • Lightweight protective jacket with high adjustability and maximum breathability
  • Back protector developed in three waist-to-shoulder dimensions to cover all body sizes
  • All shells are constructed from a high-performance polymeric material blend for optimal flexibility and excellent weight-saving properties
  • All shells are highly perforated for maximum breathability and air ventilation
  • Single injected shells constructed with a back-integrated structure which absorbs and dissipates impact forces
  • Shells are vented and channeled to improve airflow and prevent heat buildup
  • Ergonomic protection shell contours follow the natural curve of the back to ensure an optimal fit while riding
  • Plates lock to prevent overextension of the back
  • Removable upper back panel for BNS compatibility
  • Shoulder and elbow adjustment straps for a custom fit
  • Lateral adjustment straps to tighten the back protector towards the chest shell for a secure fit
  • Kidney belt to tighten the back protector to the body
  • New technical elastane main construction is highly breathable and retains its shape
  • Premium auto-lock YKK zipper main frontal closure
  • Shoulder reinforcement for BNS attachment and position stability of the protector

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Sizing Information

We tried on a selection of these jackets in our shop. The material used is VERY flexible and the waist belt is highly adjustable too. We tried on the size we normally wear in men’s clothing and they fit just fine. So choose the size you normally wear in men’s clothing.