nucleon plasma back protector Size:XS while the upper features high

while the upper features high stretch spandex fabric for premium flexibility and comfort

Designed for road riding

Featuring Alpinestars' DRYSTAR® waterproof membrane and innovative bio-mechanical flexi-blade system

Alpinestars’ premium A-Dura Dri Wool Short Sleeve Jersey is the most versatile and comfortable long sleeve jersey in the new collection

• Strategically positioned ventilation for airflow and breathability

nucleon plasma back protector Size:XS while the upper features highIntroduced in 2024 and engineered for road riders, the Nucleon Plasma Back Protector delivers lightweight, lowbulk motorcycle back protection for sport and street use. CE EN 16212: 2014 Level 2 rated, it combines a biobased Nucleon PLASMA viscoelastic core with a semirigid thermoplastic spinal zone for impact dispersion, plus PLASMA M ventilation and adjustable, removable straps for airflow, stability, and a precise fit under jackets or suits.