Lightweight polyester construction for comfortable all-day use and improved chemical resistance compared to nylon. One universal size fits most people. Easy-connect leg buckles with friction-slide adjusters for quick engagement or disengagement. Straps have friction-style buckles for adjustments over a continuous range of sizes. Friction slide adjusters hold shoulder straps in place so the user does not need to readjust for each use. Fall-arrest D-ring with roller. Drop-forged circle D-ring has corrosion-resistant finish, wear-minimizing roller and is proof-loaded to meet OSHA regulations. Easily adjusts for proper fit and function. Fall-arrest D-ring with roller. Drop-forged circle D-ring has corrosion-resistant finish, wear-minimizing roller and is proof-loaded to meet OSHA regulations. Easily adjusts for proper fit and function. Seat strap adds extra comfort and support. Fall-arrest harnesses are designed to arrest free falls and distribute impact forces over thighs, pelvis, chest and shoulders as required by OSHA. Identity and warning tags and labels are reminders of proper application and inspection procedures. The name, model, date of manufacture and OPE-system application symbol are permanently and clearly inscribed on these tags and labels. Harnesses are certified and compliant with ANSI and CSA requirements.