This is the MAMMUT Down Beanie Hybrid Insulation Down Jacket. It's thin but very warm and useful. It also has ventilation, making it easy to regulate body temperature. - Brand: MAMMUT - Size: Asia M - Color: Red - Design: Hooded Purchased from an authorized retailer. (I remember the retail price being around 40,000 yen) Please feel free to ask if you have any questions. This is a used item, so please understand that it is non-refundable and non-returnable. Price negotiations are welcome. ● Official Description A full-fledged lightweight down jacket that uses "PrimaLoft Silver Down Blend," a high-tech batting material with excellent heat retention and water repellency. The outer fabric uses MAMMUT's original softshell material with excellent durable water repellency and wind resistance, and "Pertex Endurance," which is a waterproof and windproof ultra-thin polyurethane membrane coated on the surface of a highly durable nylon fabric. Of course, it's light and warm, providing a comfortable fit, and you can't miss the design unique to MAMMUT, with its irregular diagonal stitching.