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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
updated stretch materials
minimalist
Urban Styling – Clean lines and a minimal silhouette suited for off-bike use
and waist straps for stability and comfort
plus internal compartments for optional chest and back protectors
Alpinestars Nucleon KR-Celli Back Protection Insert Alpinestar updated stretch materialsAlpinestars Nucleon KR Celli Back Protection Insert The Nucleon KR Celli Insert offers riders lightweight, breathable impact protection with CE Level 1 certification. Designed to fit effortlessly into a range of Alpinestars jackets, this back protector is built for street and sport riders who value comfort, ventilation, and dependable safety. Its ergonomic shape and lattice shell design work together to disperse impact energy while maintaining a slim,
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