The pants are the Under Armour Men's Armour Fleece Double Threat Sweatpants (Style Code: 1295287, Color: Midnight Navy).
Model Details
Fabric Technology: Features UA Storm technology which repels water without sacrificing breathability.
Material: Armour Fleece® material that is light, breathable, and stretches for mobility with a soft heat-trapping inner layer.
Design: Straight leg fit with a bungee adjust bottom hem and an elastic waistband with an internal drawcord.
Brand new with tags deadstock