Nautica offers its Nautica Women's Shawl Collar Polo Dress in Navy Blue for $44.99. (Search "4400DR" to see this offer.) Coupon code "WEARNOW45" cuts it to $24.74 and bags free shipping. That's $45 off list and the lowest total price we could find. It's available in sizes M to XL. Coupon expires May 28.
Tommy Hilfiger via eBay offers its Tommy Hilfiger Women's Textured Knit Dress in Navy/White for $32.70 with free shipping. That's $37 off list and the lowest total price we could find. It's available in sizes 6 to 12.