From the manufacturer

Men's UA Rival Terry Shorts

If you want to stay comfy, warmed-up, and ready before the game—or after—this is what you wear. We call it "Rival Terry." You can just call it your new favorite.

• Fitted: Streamlined fit that’s not too tight or too loose.
• French Terry has a smooth outer layer & a warm, soft inner layer
• Material wicks sweat & dries really fast
• Encased elastic waistband with external drawcord
• Open hand pockets
• Raw edge bottom hem