Alpinestars Insertable Back Protector NUCLEON KR-1 CELLi Black Red

The extremely lightweight Nucleon KR-1 CELLi insert features an articulated back plate for flexibility and riding fit, plus an advanced microstructure cell design for efficient absorption of impact energy and high levels of airflow.

Data sheet:

• The ultralight insert for back protection is developed in three dimensions from the waist to the shoulder to cover all body dimensions.
• Cell structure in high-performance polymer material for optimized flexibility and excellent weight-saving properties.
• The back protector design changes from the center to the outside offering the perfect balance between energy absorption and flexibility.
• Horizontal flex grooves for an adaptive fit in different riding positions.
• The soft and comfortable padding on the side of the body of the protection offers breathability and comfort for the cyclist.
• Compatibilityracing suit