NEW light weight ShieldTEC inherent flame resistant range utilising the Lenzing FR viscose yarn. These comfortable shirts provide PPE 2 (Minimum 10cal) protection with only 165gsm in weight! In addition to the inherent FR properties, this fabric also offers inherent moisture management properties. You will notice the unique texture of the fabric. The Star Weave is a variation on a rip-stop construction and designed to add stability to the light weight fabric.