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 NB THIS IS A SMALL CUT JACKET
Dawn wears the size medium 

Small: bust 90 waist 88 hip 112 length 85
Medium: bust 94 waist 93 hip 112 length 86
Large: bust 100 waist 96 hip 107 length 89
X Large: bust 106 waist 100 hip 112 length 91
XX Large: bust 118 waist 118 hip 128 length 94