PETZL The Body Harness 7.08" wide ADDITIONAL COMFORT: The BODY shoulder straps are for children. They are meant to be used with a MACCHU type seat harness. TESTED TECHNOLOGY: Good support and great comfort with ENDOFRAME Technology construction. BUCKLE UP: DoubleBack buckles allow quick and easy adjustment of the shoulder straps. FULLY EQUIPPED: Features two complementary tie-in points. DURABLE MATERIAL: The BODY is made out of nylon, polyester, EVA, polyurethane, and steel.