Attributes . Features Patent Pending Specially Designed Vented Traps Located Vertically Along Each Side of The Back and Horizontally at The Back of Each Knee. The Fashion in Which The Vented Traps are Constructed Includes a Layer of Folded FR Fabric Combined With an Interior Layer of FR Mesh That is 100% Modacrylic. This Design Does Not Expose You Skin. Quadruple Stich on Waistband, 3M Scotchlite Reflective Material #8940 3/4" FR Silver Center Stitched Over 2" Fluorescent Lime-Yellow Fire Trim-X, Industrial Wash, Reflective Material Emplacement Provides 360-Degree Visibility With Two Vertical Strips on Front, "X" on Back, Material Around The Waist, a Horizontal Strip Around Each Leg and Arm . Names