Calvin Klein via eBay takes an extra 30% off a selection of its Calvin Klein men's and women's sale items. (Prices are as marked.) Shipping adds $5.95 or get free shipping with orders of $100 or more. Sizes and stock are very limited. Deal ends August 29. A couple of best bets:
PUMA via eBay offers its PUMA Men's Velocity T-Shirt in four colors (Periscope pictured) for $10 with free shipping. That's $15 off and the lowest total price we could find. It's available in sizes S to XXL, although not in all color/size combinations.
Deal Genius via eBay offers the Reebok Women's Platinum Cotton Pique Polo Shirt in 10 colors (Light Blue pictured) for $9.99 with free shipping. That's the lowest total price we could find by $6. It's available in sizes XS to 4XL, although not in all size/color combinations.