Mock turtleneck design, Tru-2-Size fit.The Response is specifically designed slightly larger to accommodate for shrinkage after washing, ensuring a great fit, Metal zipper at neck w/EZ Grab rubber pull, Relaxed fit design with high quality dyed-to-match rib knit at hem & cuffs, Unique pocket designed for fire fighters, ambulatory staff & outdoor workers. Pocket features a 9" deep radio pocket that can hold pens, pencils, a notepad or note cards.