Proozy offers the Under Armour Men's Heatgear Sonic Compression T-Shirt in several colors (Midnight Navy pictured) for $23.99. Coupon code "DN1499" cuts that to $14.99. With free shipping, that's tied with our June mention and the lowest price we could find by $3, although most retailers charge around $28. It's available in select sizes from S to 3XL. Deal ends August 25.