It uses high-quality materials that keep you warm and dry while moving moisture quickly to the outside.

Pay attention to solid construction, materials that are lightweight yet robust, the water column rating, windproofing and breathability. The suit should also not fit too tightly, as ideally you will be wearing several layers underneath.

They eliminate cold bridges between jacket and trousers and prevent cold air from getting in from below.

You cannot put on or take off the jacket and trousers separately.

That depends on how cold it is. The best approach is to wear warm, breathable base layers and follow the layering principle.