Proozy offers the Under Armour Men's Heatgear Long-Sleeve Sonic Compression Shirt in several colors (Graphite/White pictured) for $29.99. Coupon code "PZY18" cuts the price to $18. With free shipping, that's a buck under our mention from two weeks ago and the lowest price we could find by $10. It's available in select sizes from S to 3XL. Deal ends June 19.