Ralph Lauren offers its Lauren Active by Ralph Lauren Women's Honeycomb Half-Zip Pullover in Turquoise for $14.99 plus $5 for shipping. (Choose "Economy" at checkout.) That's the lowest total price we could find by $12, excluding the mention below. It's available in sizes S to XL. Deal ends August 1.
A close price: Lord & Taylor has it in five colors for $14.25 plus $5.95 for shipping via coupon code "BONANZA".