This Black and Desert Tan replacement frame is for the ESS CDI MAX™ sunglass.
As part of the ESS Tough For Life Sustainment Program™, ESS provides replacement parts for the critical components of
The AAIS BOTTOM rail, Part number BT20B is the same rail found in the BT20 but consists of the bottom 1913 rail ONLY that can be attached to the AAIS BT19 on the bottom at the 6 o'clock position. This
