FRONT-LINE officers are putting new kit through a six-month trial.
If accepted, the uniform being worn in Stanley, County Durham, could become standard for officers throughout Durham Police.
About 40 officers have been selected to put the kit through its paces.
The new issue includes a water-proof, high-visibility blouson jacket, a black blouson jacket, fleeces to replace Nato pullovers, and combat-style trousers with patch thigh pockets.
A police spokesman said: "The trial will allow operational officers to evaluate the appearance, quality, durability and effectiveness of the new clothing.
"Stanley was chosen because of its geography and its extremes of weather - it is high and windy. If the uniforms work there, they will be suitable for anywhere else."
Local Police Federation representatives intend to canvass all officers taking part in the tests on issue of the uniform, and they will repeat the exercise at the end of six months.
Federation spokesman Steve Smith said: "The hilltop climate of Stanley is an ideal place to put the clothing to the test through the winter, spring and summer months. If the majority of officers support change, then we back them."
Chief Superintendent Ian Irwin said: "Certainly, the initial comments from officers have been very positive.
"There will be some suggestions for minor design amendments.
"But overall, they are more comfortable. We also want to evaluate how members of the public perceive the new uniforms."
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