"'ColdGear' has a highly elastic lining that ensures warmth, takes the moisture and steam from the skin to the outside layer, and dries it quickly. The inside is kept dry and warm, so you can be comfortable without having to layer too much. Therefore, you almost never have to worry about getting chilled from sweat."

HeatGear styles are created with performance fabric that keeps the person wearing it "cool, dry, and light" in warm or hot conditions. ColdGear styles are also created with performance fabric, but fabric made to keep you "warm, dry, and light" in cold, winter conditions.

UA ColdGear is a solution that keeps athletes warm with a lightweight fabric that sits next-to-skin, while still keeping the body's core temperature warm, which leads to less distractions and frictional drags on the athlete.

UA Base 4.0 Base Layer For the most brutal winter temperatures, put on UA Base 4.0 base layers for superior warmth.

How to Keep Your Head, Hands and Feet Warm

• Hats: Wool and synthetic beanies work well, and you can rely on your shell jacket's hood for rain coverage. …
• Gloves: Fleece gloves provide basic warmth. …
• Boots: Boots with thick, non-cotton socks can provide warmth when conditions are merely cold but not wet or snowy.