MATERIAL & CONSTRUCTION: Flame Resistant 100% Cotton twill light weight fabric. Fabric weight is 7 oz / sq yd. Fabric complies with ASTM F1506 for Arc Flash and NFPA 2112 (ASTM F1930) for Flash Fire. Arc Flash rating (ATPV) is 11 Cal / cm2 and complies with HRC 2 rating. Fabric is mercerized and designed to provide minimal shrinkage, maximum comfort and optimum safety and durability. DESIGN & SIZING: Innovative 6 panel design with twin layers to offers protection, comfort and fit. Reversible feature allows to extend life and change colors as needed. Unique design to offer best protection and comfort. Designed with optimum Safety, Performance, Style and Value in mind. Manufactured to US Standard Size Charts. Offered in multiple size range. Refer to Size Chart Image. COMPLIANCE: NFPA 2112 (ASTM F 1930) Compliant for Flash Fire. ASTM F1506 (D6413 + F1959) Compliant for Arc Flash. HRC 2 (ATPV of 11 Cal / cm2). WASH / CARE INSTRUCTIONS. FR cotton based fabrics must be well cared to extend life and minimize shrinkage. Follow Wash and Care instructions. Our Fabrics are mercerized to minimize shrinkage. However, it is recommended to wash in mild temps and mild detergents to extend life and minimize shrinkage. For garments worn on top of other garments or to have looser / comfort fit or if your garments will undergo routine industrial washes, we recommend one size up on the garment. QUALITY / CUSTOMER CARE Just In Trend values and strives for Complete Customer Satisfaction and hopes to earn a 5 star on every transactions. We believe unconditional Customer Service is at the core of our success. Providing best quality, best value and fully compliant products ensures protecting YOU….and YOUR wallet. We routinely seek Customer input and comments to continuously make improvement to our products. Any and every input is appreciated.