Alpinestars Nucleon KR-1 Back Protector

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Available for pickup today in our Colorado Showroom

  • The NUCLEON KR-1 hybrid back protector incorporates race-oriented back protection CE certified
  • Level 2 to the latest back protector standard revision (EN1621-2:2014)
  • Featuring hard-shell vertebrae protection and high energy absorbing viscoelastic memory foam, this innovative hybrid back protector is uncompromising in safety and performance
  • Ergonomically profiled for sport riding with superb ventilation and a special waist adjustment belt for a customized fit – the NUCLEON KR-1 is extremely lightweight and breathable