ExoFit NEX Vest-Style Retrieval Harnesses, Back/Shoulder D-Rings, Q.C.Hybrid shoulder, back and leg comfort padding Lightweight, moisture wicking and breathable padding with soft edging wraps around the wearer for the ultimate in comfort, security and no tangle donning Stand up Tech Lite aluminum back D ring's patented spring loaded design automatically stands up ensuring fast, easy and safe connections to your fall arrest system Tech Lite aluminum shoulder D rings have one attachment point located on each shoulder to