Fashion circle collar design, show the beauty of the collarbone, but close to the skin, resist the winter cold wind; Perfect combination of exquisite craft and and soft cloth to bring you warmth; Innovative ergonomic clipping cultivate one's morality, comfortable fabric joint you every inch of skin, apparent, more warmth; High quality combed cotton, feel soft, delicate texture, soft and comfortable, absorb sweat permeability is very good!