shoes.com has two offers: 30% off (using code GREENMONDAY) or $40 off $99 (using code EMLGREENMON17), with free shipping.
Edit: New promo code:
FLASH30 for 30% off (expires 12/13/17 11:59pm PST)
EMLGREENMONEXT for $40 off $99 (expires 12/12/17 11:59pm PST)
I was looking for deals for Okulai shoes, which rarely go on sale, but the above offer works on Okulai shoes too!
For example, the Okulai Nohea Moku Sneakers are $67 after 30% off discount, or if you can find filler to $99, then $60: