Mount the s.T.R.I.K.E. Platform securely to your s.T.R.I.K.E. Vest while the shoulder harness, thigh platform, and belt loop give you the option to wear the Sherpa back at the base or when you don't need your s.T.R.I.K.E. Gear. The shoulder harness is sized to fit from medium to 3XL Torsos and is available in both right- and left-hand designs. Available in foliage Green or Coyote tan. Does not fit Elite or brigadier models. Medium fits medium to XL shirt sizes and large fits XL to 3XL shirt sizes.