Galvin Green Del Gilet Need an extra layer of warmth underneath your jacket or over your golf shirt? Del is a quarter-zip thermal golf vest is rated with warming effect #1, offering light thermal insulation. Made from an extremely breathable, quick dry fabric, Del is soft, stretchy, and feels great against the skin. Features of the Galvin Green Del Gilet 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