If you anticipate rain, snow, humidity or being active enough to break a sweat, you should look at water-resistant down, synthetics or down/synthetic hybrids. One way to determine the quality of down is to look at its fill power.
Brand Name: NEGIZBER
Filling: Silk-like Cotton
Material: Acetate
Sleeve Style: REGULAR
Hooded: Yes
Thickness: STANDARD
Model Number: F01
Fabric Type: Broadcloth
Closure Type: zipper
Detachable Part: NONE
Lining Material: 100% Bamboo Fiber
Type: REGULAR
Decoration: Embroidery
Decoration: Pockets
Decoration: Zippers
Pattern Type: Solid
Clothing Length: REGULAR
Weight: 0.55KG
Style: Casual
Collar: Hooded
Closure Type: zipper
feature1: waterproof
feature2: windproof
type: hoodied winter coat
Available in a vast range of branded technologies, all synthetics use some form of compressible water-repellent fibers. Innovation is rapid and the performance gap with down is shrinking.