Husqvarna 531309566 Pro Apron Chain Saw Protective Chaps, Waist Size 37-38, Orange 600 Denier outer shell, orange Five layers of kevmalimot yellow line protective material Meets ASTM F1897 and ANSI Z133.1 standard and is UL certified; class A; meets OSHA regulation 1910-266 Front protection has an extra 4-inch coverage to the left of each leg Machine washable