Staff at Gateshead clothing company Barbour have begun four weeks of strike action over pay and working hours.The strike is in protest at contractual changes requiring staff to work until 22:30 and removing extra payment for unsocial hours. Unite regional officer Fazia Hussain-Brown said: "Many of the workers struggling to get by on less than the living wage are the sole bread winner and have family or caring responsibilities. "The company should not underestimate the resolve of the workforce nor the impact that four weeks of strike action will have on supplies."