S/M fits sizes 32-40 in., 81-102 cm. Note: Must be worn with the S&F Deluxe Technical Belt or S&F Light Utility BeltShoulder adjustments provide a custom fit of vest (example: adjusts to wear with a short-sleeved shirt or a light jacket)Internal and external cable ports allow wires and cables to route inside and outside for tight equipment integrationBack stash pocket offers storage for low-use itemsDetachable ID holder lets you display press or event credentials on any SlipLock attachment loop