- Durable and Comfortable cotton drill, Pre shrunk - Underarm air flow cotton mesh vents - Twin pockets with button up flaps - Now with navy colour collar - Comply with new Hi Vis Safety Garment Standard AS/NZS 4602.1:2011 and AS/NZS 1906.4:2010 - Class D/N, For Day or Night Use - UPF Rating: 50+. Protection Category: Excellent