Primaloft insulation luxe. Looks like down, feels like down, warm like down. Water repellent, wind resistant, packs away into a little bag. Available in black and blue. 

Size Guide in cm: (model wears a size small)

Small: bust 90 waist 88 hip 112 length 85
Medium: bust 94 waist 93 hip 112 length 86
Large: Sold out 
X Large: Sold out 
XX Large: Sold out