Alpinestars Nucleon KR-TB Tail Bone Protector
The Alpinestars Nucleon KR-TB Tail Bone Protector protects your Coccyx and can be fitted on the KR-1, KR-R and KR-2 back protectors (NOT the i models/inserts), when used with the Alpinestar Snap-On system, for the ultimate spine protection. Lightweight, easy to use, optimum safety.