Galvin Green Donald Insula Jacket Warm Layer With Insula Fabric Technology. The Galvin Green Donald Insula Jacket is a fully thermal Insula garment designed to provide unmatched comfort and warmth with Insula technology. Insula garments are made from 70% polyester and 30% lyocell, designed to offer maximum comfort and freedom of movement during play. The material of this Insula Jacket transports moisture away from the body and at the same time provides a warm insulating layer. It really is the perfect complement for those cold days on the golf course. The Donald Insula Jacket features a chest pocket, contrast zip detail and Galvin Green branding on the chest pocket and back neck for added style. Galvin Green Insula Sweaters are the perfect...