According to Christy at Thrifty and Thriving, you can also try… Thanks Christy!
SHIP2MVC = FREE shipping (may need to be a Kohl’s cardholder)
Additionally, make sure you check your email inbox. I just received a coupon for an extra 20% off my entire purchase in store. Coupon is valid 12/30 through 1/1.2011. If you haven’t signed up to receive email alerts from Kohl’s, now is a good time to do so. Go here to sign up for Kohl’s Sale Alerts.