Blouson This is a model not released in Japan. I purchased it from Canada on BUYMA. It is a new, unused item, only tried on. The fabric is sturdy and is a warm material even in winter. Uniqlo x Engineered Garments Pufftech Short Blouson Heattech Aviator Jacket MA-1 Most popular navy Wool Melton Size S Please check the 4th photo for each size. Color: Dark navy wool melton - Warm and light moisture-absorbing and heat-generating padding jointly developed by Uniqlo and Toray. Perfect for mid-winter. - Light, soft, and non-itchy fabric for a comfortable feel. - Voluminous size based on a full-fledged flight jacket. - Features Engineered Garments' unique woven name tag and logo buttons. - Engineered Garments' distinctive details include front dot buttons and patch pockets. - Ribbed sleeves and hem with a distinctive knit structure. - Onion quilt lining. - Fastening the buttons instead of the slide fastener gives a different atmosphere. [Padding] 70% polyester / 30% rayon