Bravo Heavy Duty Submersible IP68 Waterproof Remote Speaker Microphone (RSM) for Two Way Radios
Suit Motorola, Hytera, Vertex, Kenwood, Delta, Icom, Simoco, Sepura, GME, Uniden, Tait.
Probably the most rugged mic you can buy. It has rubber sides for non slip grip and very strong Kevlar cable. This mic is almost indestrustable.