ALPINESTARS Nucleon KR-Cell Back Protector - XS 6504018-13-XS Yamaha Racing Flexfit® Hat Aramid fiber layer which provides

Aramid fiber layer which provides critical penetration protection

Increased top cog pressure load design that increases sidewall rigidity

Synthetic accordion inserts and stretch fourchettes in between the fingers

Fitment: Yamaha WR250R + WR250X 2008-2015

The silencer sleeve is made of Carbon Fiber that attaches to the titanium end caps with stainless aircraft grade rivets and Titanium silencer bands

ALPINESTARS Nucleon KR-Cell Back Protector - XS 6504018-13-XS Yamaha Racing Flexfit® Hat Aramid fiber layer which providesDeveloped in three waist to shoulder dimensions in order to cover all body size types Back hard shell plates are constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties Shells are highly perforated for maximum breathability and air ventilation Single injected compound shell constructed with triple layer design to absorb impacts and allow maximum airflow Ergonomic protector plate