Mens Galvin Green Concept Mirza Ventil8+ Golf Shirt. Part of the Galvin Green Concept Collection // The Introduction. The Mirza VENTIL8™+ has the performance fit and high-tech fabric you’ve come to expect from a Galvin green golf shirt, but its unique front V pattern and back logo placement make it stand out. This lightweight, breathable shirt has a ribbed collar and sleeve cuff, and a short placket that houses only two buttons.