Model 631 from FrenchCreek Production is a 600 series full body harness constructed of a lightweight, high strength synthectic webbing.  Features include mating buckles, adjustable shoulder, chest and leg straps, a butt strap for additional security and comfort and a sliding D-ring in the center of the back to keep the fallen worker in a vertical position. 

PLEASE NOTE:  The 600 lightweight Series harnesses are available in two universal sizes ONLY (Small - Medium or Medium - Extra Large).