Cold Gear fabric features a durable outer layer to keep off the elements & a soft inner layer. The inner layer traps heat like a beast, keeping you warm during a cold-weather run. Strategic metallic mesh ventilates key zones, helping you stay light & comfortable. 4-way stretch improves mobility & accelerates dry time, while maintaining shape. Soft, moisture-wicking interior regulates your core temp to keep you dry & focused. Reflective front & rear UA logos & piping keep you safer during low-light exercise. Zippered side pockets provide secure storage. Elastic waistband with drawstrings ensure a secure fit. 7" offset ankle zips with reflective tape provide safety for low-light runs. Body: 7.0 oz. Polyester/ Elastane. Mesh: 3.8 oz. Nylon/ Polyester. Imported.