With a new boot chassis profile that offers improved feel and sensitivity on the bike’s controls and a leather upper main construction that integrates a fully waterproof membrane

With ergonomically profiled Level 1 CE certified protection securely held in position via a dual strap closure system

and has an ergonomically contoured dual zoneouter shell constructed from an advanced polymeric blend with a solid Cell structure core framed by a more flexible 3D Cell structure as the first line of defense

The Nucleon KR-CELL CiR has been designed to offer protection to track and sports bike riders while ensuring maximum levels of breathability and comfort

In terms of comfort

afhs 01 shield clear YGroup_3354020 With a new boot chassisReplacement light Clear shield for Alpinestars S R10 Helmets Alpinestars official replacement parts. TECHNICAL FEATURES: Shield offers protection from UV rays and is protected by an anti scratch coating on the outside. Easy to change.