Galvin Green Dion Insula Jacket Dion is a half zip golf mid layer, ideal for layering or as a light top layer in mild conditions. Featuring our lightest, softest INSULA™ fabric for maximum breathability and freedom of movement, this piece is soft, stretchy, and rated with warming effect #1. Features of the Galvin Green Dion Insula Jacket Warming effect #1 Soft stretchy comfort Extremely breathable Quickdry bluesign® approved fabric Excellent next to skin comfort Soft handfeel Made from: INSULA™ - 100% polyester Machine washable