CornerStone 1/2-Zip Job Shirt. Developed with emergency services pros in mind, our versatile, durable job shirt is made to layer over a uniform shirt or under a jacket. It features must-have details like dual mic clips and an adjustable chest storage pocket, which easily accommodates a full-size radio or smaller items and keeps gear easily accessible. 9-ounce, 65/35 cotton/poly fleece Mic clips at shoulders Right chest adjustable pocket with top and bottom hook and loop closures, interior radio and pen pockets Left chest slip pocket Jersey-lined hand warmer pockets Rib knit cuffs and hem