Our original HeatGear fabric is very light, breathable and dries quickly. Smooth and lightweight ArmourPrint technology on the shoulders and forearms adds durability. The material wicks away sweat and dries very quickly. Woven panels on the shoulders for added durability and mesh side panels for better ventilation. There are no discounts on the selected The-Rock collection. You can find the entire Project Rock collection here. Colour: Grey Fit: muscle fit Material: 84% polyester, 16% elastane Type of sport: training Technology: HeatGear - Highly breathable material that wicks away sweat. It will keep you drier and cooler than ever before. Products made of this material are designed for temperatures between +23°C to +37°C.