I purchased this at Workman two weeks ago. The color is navy, and the size is L. It is new and unused. The product tag is attached. Product Description You'll want to keep touching it! Soft diamond fleece! Aluminum print on the back! Also great as a mid-layer inner on cold days! As comfortable, warm wear in a mountain hut! ●Product Features● Carefully designed aluminum print! ・Employs aluminum print on the back that emits far-infrared rays! Comfortable to wear! ・Diamond fleece with a good feel against the skin ・Stretch knit specifications on the sides Useful features ・Reflective print on the zipper of the left chest pocket to support visibility Material Main fabric: 100% polyester Separate fabric: 100% polyester Back lining: 100% polyester "Silver Aluminum" reflects body heat by applying a hexagonal aluminum print with high heat retention to the inside of the jacket, keeping the inside of the garment warm. It also releases stuffiness and maintains comfort. workman Takuya Kimura