Stihl 0000-885-3842 8.5 ProMark Advance GTX Boot. No matter the location or climate, experience the protection and performance of the STIHL Pro Mark Chainsaw Boots. Engineered with an inner GORE-TEX fabric and an orthopedic removable insole, this water-resistant boot combines optimized breathability and comfort. Its deep lacing hooks help keep your feet securely fastened while you’re hard at work. Complete with a padded steel toe and a comfort sole made of rubber, this high-quality black suede work boot is designed with safety in mind. The hardworking STIHL Pro Mark Chainsaw Boot meets OSHA requirements for protective footwear in chainsaw use, as well as EN 17249 (Class 2) and EN 20345 S2 requirements for chainsaw protective boots.