Let me introduce you to TAION , a Japanese brand new to Fat Buddha. A brand on a mission to create the best inner down wear made from a high quality materials with a focus on function and form. Each TAION liner features a fill of 90% mature waterfowl feather down and 10% 650 fill feather working in conjunction with the 100% Water-repellent, high-density nylon outer with water-repellent finish. Also a fun fact, TAION means body temperature in Japanese. Can be worn under a jacket or under a jacket, of course. I would recommend you to size up. To view our full collection of TAION Clothing, press here. Crew Neck Button Down Jacket Charcoal Outer Fabric: 100% Nylon Lining: 100% Polyester 90% Down 90% Feathers 10% Feathers are Light and Use Down with 650 Fill Power Come up Small, Buy 1 Size Up Mannequin is Wearing a Size Large There are Zipper Pockets on Both Sides Comes with a Storage Bag Description by: Vik