The R4 is a lightweight, form fitting race collar offering protection against neck and collarbone injuries. The low profile design makes it a comfortable yet protective piece of gear you can wear on the track or on the trail. - Hard molded upper surface disperses energy to PU core - Hi-tensile closed cell PU core absorbs impact energy - Bio-foam liner provides extra impact absorption - Rapid lock closure system for easy front entry - Adjustable rear strut for a customized fit - Weight: ADULT = 635 grams, YOUTH = 386 grams
