This range has been specially designed for workers working in conditions where there are possible electrical hazards. The use of a special plastic coating on all D-rings and fittings is used in this range of Harnesses and are completely electrically insulated. The shoulder straps are elasticated to provide flexibility and a snug fit to the user. Use of special plastic-coated D-rings and all metal adjustment buckles makes it completely electrically insulated. The Buckles are specially designed for slippage resistance.