Proozy offers the Under Armour Men's Heatgear Sonic Long Sleeve Compression Shirt in several colors (Graphite/White pictured) for $24.99. Coupon code "UAP18" drops it to $18. With free shipping, that's a buck under last week's mention and the lowest price we could find by $17. It's available in select sizes from S to XL. Deal ends March 18.