Hard Yakka Heritage Slim Jean Hard Yakka's premium range of denim jeans engineered for performance with heavy duty fabrics and reinforcement. These jeans look as good in the pub as they do on the worksite. 11oz H2O Thirst Free Denim Durable H2O sustainable denim : -45% Water Consumption / -11% Energy Consumption / -12% CO2 / 12% Production Enhanced Heritage style hardware shank and rivet hardware Double layer lower back pocket for durability Features stretch for the ultimate in comfort by allowing for a full range of movement. Designed with a full range of movement in mind. Engineered seams for the ultimate in comfort.