DuraFlex Python Harnesses, Sliding Back D Ring, Universal no checkout Double lock stitched with high Double lock stitched with high strength 5 ply Tex 90 Dupont™ Kevlar® thread FR lined collar Open back design allows cool comfort and protection for hot climate conditions Can be worn with 14 in and 20 in bibs (sold separately) which are detachable via electrical insulated snaps and have waist straps with quick release buckle systems Allows quick and easy disc attachment and removal for multi step processing Cushioned tubular webbing in upper torso and shoulders minimizes irritation and reduces stress on shoulders Stretchable DuraFlex® webbing in the lower torso offers greater worker mobility with less fatigue Self contained label pack positioned for easy access Integrated and oversized pull free lanyard rings