Synthetic fill has the ability to maintain insulating properties when we and it has less required maintenance than actual down, as well as having potential to be recycled.
Omni-Shield Advanced Repllency
A water and stain barrier that resists light rain and stains, Keeps you clean and protected. Omni-Shield delivers protection from the outdoors where you least expect it but need it most. This coated fabric resists all liquids below 170º F from absorbing into the yarns and staining the garment (without any effect on the feel of the material).
The fabric itself dries 3-5 times faster than untreated fabric, without holding moisture like a conventional fabric, meaning it stays lighter even when it's wet.