Alpinestars Back Protector Insert Nucleon KR-1 Celli

The extremely lightweight, CE-certified KR-1 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.

• The super lightweight back protector insert is developed in three waist-to-shoulder dimensions in order to cover all body sizes.

• High performance polymeric material blend Cell Structure for optimized flexibility and excellent weight saving properties.

• The back protector’s design changes from the centre towards the outside providing the perfect balance between energy absorption and flexibility.

• Horizontal flexion grooves for an adaptive fit in different riding positions.

• Soft comfortable padding on the body side of the protector offers breathability and rider comfort.

• Racing suit compatibility.