jiggleI looked on their website. For size 32, there is a 34" waist
http://asbury-jeans.myshopify.com/products/skinny-1888-12oz-raw
So interpret that as you will for size 28. I'm guessing it means there is a 2" difference betwen size and waist though.
Edit: I guess that's already on the Massdrop page <_<