Under Armour Performance - ColdGear Longsleeve Mock
For the athlete dealing with cold conditions. Compression, wicks away sweat, looks pimp, what else can you ask for in sub-uniform apparel. Great for any sport too. Sure you can buy the Nike, Adidas, or even Champion versions of this stuff - but there is only one Under Armor. You'll certainly know it is worth it once you have a shirt or two.