Snickers Antiflame fulfils EN 531 A,B1,C1 for protection against heat and flames.Wide shoulder straps that do not slide down over the shoulders and armsBreast pockets with bellows, flaps, pen compartments, tool compartments and knife fastener for maximum convenienceFour spacious holster pockets, two in the front, two in the back and all can be reached with either handVelcro tool asteners for Snickers Flexi Pocket tool pouches provide additional convenience