3M Black MediumLarge Protecta Standard Vest-Style Harness with a fixed Back D-ring to minimize workday readjustment and a modern design that gives the harness a fresh, sleek look. Plus, Tongue-Buckle Leg Connection, and Pass-Through Chest Connection. Designed for convenience, these updated harnesses are rated for 420 lbs (190 kg) total working weight. Hardware features include Tongue-Buckle Leg Connection, Pass-Thru Chest Connection, Parachute Torso Buckle, and a Back D-ring. The Back D-ring provides a general fall arrest device connection point and is included on all models of 3M Protecta Vest-Style Harnesses. Designed for a maximum capacity of 420 lbs (190 kg), including the workerâ€-s body weight, clothing, tools and other accessories. These fall arrest systems meet the requirements of ANSI Z359.11 and OSHA 1910.140 and 1926.502.