An exemplary hearing protection device includes a base portion, and an elongate mounting portion protruding from the base portion. The mounting portion includes a first end fixed to the base portion and a second end opposite the first end. The mounting portion decreases in thickness from the first end to a first point between the first end and the second end, increases in thickness from the first point to a second point between the first point and the second end, and decreases in thickness from the second point to the second end. The hearing protection device also includes a plug portion detachably secured to the mounting portion. The plug portion is configured to at least partially insert into a users ear canal.
