TEATORA Teatora Device jacket PACKABLE Device Jacket Packable tt-201-P Color: Black Size: 1 The rubber hook on the back of the collar has deteriorated and has been removed. This part is usually not visible, but please refrain from purchasing if you are concerned. It uses an original fabric that has a cotton-like feel despite being nylon, an elegant firmness like silk, and the durability unique to nylon. The balance of lightness, strength, and comfort is exquisite.