Under Armour offers the Under Armour Men's Tactical HeatGear Compression Shirt in Navy Blue or Sand for $14.99 with free shipping. That's tied with our August mention of a similar shirt and the lowest price we could find by by $10. It's available in select sizes from S to 3XL.

Update: Shipping now adds $4.99, but coupon code "FSDNEWS17" makes it free again.