LightInTheBox offers the Arsuxeo Women's Running Tights in Gray for $5.99 with free shipping. That's the lowest price we could find by $6. They're available in sizes S to XL.

Note: This item ships from China and may take three to four weeks to arrive. Uncheck "Add shipping insurance to your order" during checkout to remove the 49-cent fee. The countdown timer on the product page does not reflect an actual expiration time and resets daily.