Durable Material: The outer fabric of the chainsaw chaps is made from 420D nylon, featuring cut-resistant material composed of 50% polyester and 50% polypropylene. Reinforced stitching ensures long-lasting use in harsh conditions. Official Certification: Each pair of chainsaw pants or leg guards meets ASTM F1897-20 and F3325-20 certification standards. Comprehensive Protection: The Class D levels chainsaw chaps feature 8 layers of fabric, including 6 layers of cut-resistant material and 2 layers of cushioning. They provide high-performance protection against chainsaw cuts and prevent injuries from flying debris, safeguarding your waist and legs for safe work. Easy to Wear: Multiple sizes are available, featuring an adjustable belt to fit various body types. The chainsaw chaps come with an adjustable belt that fits waist sizes from 22 to 48 in (55.88 to 121.92 cm), with a full length of 39.76 ″/101 cm from the waist to the top of the foot (not the inseam length). High Comfort: Ergonomically designed for a better fit, the lightweight chainsaw chaps allows for greater flexibility and mobility in various work positions without hindering operation. The soft inner lining helps prevent wear injuries from prolonged use.