Base layers should be an important part of your clothing wardrobe. In cold weather make sure you wear a base layers.i have been wearing base layers for over 20 years and most then would be cotton.Now they are made from modern wicking fabrics. and work very well It is up to you if you want to buy a really expensive set but bare in mind that cheap ones work very well and if you are not going to the arctic save your money and buy a set at at reasonable price.A base layer will keep you worm if you are working or enjoying the outdoors.i prefer the long john style and long sleeves for real comfort. Once your wear them you will feel naked without them.
Thermal Underwear.
Great selection of base layers are available below These base layers are the modern alternative to the old fashioned long Johns and string vests. These garments will keep you warm in winter and cool in winter. They will wick away the sweat to the outer layer. A must in cold conditions many people use these from campers, cyclists, hill walkers and many others.