I'm not sure what deals can be combined but here is what I found.
Get any Moosejaw logo hoody free with purhcase of $75 or more using code 911. I believe you still get free shipping. I wasn't able to get the 911 code working in my cart but I'm not going to order anything today. I would call them
if you are having trouble.
Get 15% off with code SPAD15
Free Shipping over $49