Men's down jacket:

(1) Shell: 88% polyester 12% nylon

(2) Lining: 100% Polyester 210T

(3) Filling:  90% duck down, 10% feather (we also could do as your requirement)  

(4) down filling is detachable,this makes it easy to wash the jacket

(5) Color & Size & Packing: as customers requirement    

(6)  Function: This jacket looks like a bussiness&casual jacket, but still keeps you warm in winter weather. 

Men's down jacket casual&business