Wool, on the other hand, retains its insulation even when wet. A middle layer of down or wool to absorb sweat and provide insulation even when wet An inner layer of cotton or synthetic weave to allow ventilation Wear a hat. Wear insulated boots or other footwear. Keep a change of dry clothing available in case work clothes become wet. Do not wear tight clothing.
Loose clothing allows better ventilation.
It is easy to become dehydrated in cold weather. If possible, heavy work should be scheduled during the warmer parts of the day. Take breaks out of the cold. Supervisors should watch for signs of cold stress and allow workers to interrupt their work if they are extremely uncomfortable. Supervisors should also ensure that work schedules allow appropriate rest periods and ensure liquids are available.