V-FORM Back/Chest D-Ring Qwik-Fit, XS. Load capacity ANSI Z359.11: 130–310 lbs. (59–140 kg) OSHA / CSA Z259.10: 400 lbs. (180 kg). Featuring a patent-pending RaceFORM™ buckle, bulky chest straps are eliminated for a close and comfortable fit. The athletic cut of the V-FORM harness contours to the body improving upper torso movement on the job, while its downward adjusting design allows you to quickly adjust your harness for a fit that lasts throughout the day.