Free shipping all day.
The extra 40% off $100 or more purchase is only from 12pm-4pm.
Link: http://us.dockers.com/home/index.jsp
Free shipping No Minimum + Free Returns
HOW IT WORKS
You are eligible for Free Ground Shipping on any orders (that means no
minimum purchase requirement).
Offer is valid from 12am PST on 3/5 and ends at 11:59pm PST on 3/7. NOTE:
You must select the Standard Ground Shipping option to receive the discount.
Otherwise, the full expedited shipping charge will be applied. Please also
note that this offer is only valid for orders shipped within the continental
U.S.