The Stihl Advance X-Treem Forestry Harness is the most comfortable and ergonomic harness on the market for forestry professionals. It features a number of innovative design features that make it the ideal choice for long days of work in the forest. The harness features a length-adjustable back section and infinitely variable load distribution between the shoulders and hips, which ensures a comfortable fit for all users. The harness also features a padded chest strap and shoulder straps, as well as a padded waist belt, which helps to distribute the weight of the tool evenly and prevent fatigue. In addition to its comfort and ergonomics, the Stihl Advance X-Treem Forestry Harness is also incredibly durable. It is made from high-quality materials that are designed to withstand the rigors of forestry work. The harness is also certified to EN 361:2002, which means it meets the highest safety standards for forestry harnesses. If you are a forestry professional who is looking for the most comfortable and ergonomic harness on the market, then the Stihl Advance X-Treem Forestry Harness is the perfect choice for you. For Stihl FS 89 - FS 560, and FSA 90.