Ariat's new Rebar jeans are going to please our toughest customers. They are tough durable and ready for any job. Ariat Rebar Workwear is lightweight, industrial strength jeans & shirts. Flexible & rugged enought to stand up to your work day. Performance technology, engineered for guys who get the job done, because the athletes of work never get an off-season. The M4 is a low rise boot cut jean.