The STIHL 42427409501 Cut Protection Chaps are genuine STIHL apron style chaps designed for user safety when operating chainsaws. They feature 6 layers of Avertic™ Pro by Engtex® cut retardant material, offering robust protection. These chaps are water-resistant, oil-resistant, and breathable for comfort. They come with an adjustable waist, fitting sizes from 30 to 42 inches, and have a 36-inch length. UL® Classified to ASTM F1897-14 for leg protection, ensuring compliance with safety standards.