Alpinestars - Ageless Delta C/B Hat Design:Black you will need to replace

you will need to replace that with a flat arm (+10 or +12) to use this kit

CE Shoulder Protectors

Military ballistic impact standard (MIL-DTL-43511D)

Ergonomic abdominal belt padding

It works with both sources simultaneously so there is no either/or when choosing how you wish to operate the unit

Alpinestars - Ageless Delta C/B Hat Design:Black you will need to replaceFeatures 98% Cotton 2% Polyurethane DELTA Performance wicking curved bill with structured crown Curve bill with structured crown Welded seams, stitchless crown, bonded inner construction Moisture wicking stretch fabric, anti bacterial inner taping, quick dry sweat band Front beveled sonic weld Ageless logo Internal labeling and back transfer label Ride Dry logo print on wearer left side