ColdGear" refers to a line of apparel from Under Armour designed to keep athletes warm and dry in cold weather conditions. The blue 1/4 zip pullover shown in the image is an example of an Under Armour ColdGear product.

Explanation of Under Armour ColdGear:

Purpose: ColdGear apparel is specifically engineered for performance in temperatures below 55°F (12°C).

Technology: It utilizes a dual-layer fabric that wicks sweat away from the body to keep the wearer dry while also trapping warmth to maintain body temperature.

Materials: ColdGear items, like the pictured pullover, are made from materials such as 100% polyester blended fabric, which contributes to their lightweight and insulating properties.

Applications: This type of activewear is suitable for various outdoor activities in cold weather, including walking, golf, and running.