What footwear do you wear with your drysuit?

Anyone have a good option for size 15 feet? I currently just wear a pair of old shoes. Tons of little rocks and shells make it into the shoes during launch.

NRS Comm-3 booties go to size 15.  I wear size 14 and the 15's were recommended to me by NRS.

I like these, and just wear one semi-thicker non-cotton socks.  Like them, don't know if they get to mongo-size...I wear this over my dry pants in the summer as well. 

I ordered 3 different styles/brands of aqua-socks, all a bit large, from an internet store and hit the jackpot-  the largest pair fits over the neoprene socks on my chest waders, the next largest (image I posted) fit perfect over my drysuit with nice wool socks under, and the third pair fit my bare feet perfect...at a total cost of about $35, I was hoping for 2 out of 3 winners...

Win-Win-Win!   

Anyone have a good option for size 15 feet? I currently just wear a pair of old shoes. Tons of little rocks and shells make it into the shoes during launch.

These might work.   

I've tried the neoprene booties and low profile water sock things. The best I've found are speedo water shoes from Costco for around $25. They have good coverage for the drysuit booties and have a real sole, so more comfortable to walk in.