This back strap is one piece and comes with attached shoulder straps.
Finally a back strap without an ugly back closure. Hidden closures located on the sides of the back straps leave a seamless look across the back as well as more balanced support and more adjustment options to provide a better fit.
Sizing: Small is approx a 26-30 band. Medium is approx a 30-34 band. Large is approx a 34-38 band.