Merch bunny to the rescue.
I've tried to buy two particular Natural Classics T-shirts from the Merch table at last few MCW events. Unfortunately they haven't had my size. As Merch Bunny is a MCW sponsor, I went to Their online shop and was able to buy order the t-shirts In the size I was after. They have a good range of t-shirts to choose from. Communication was excellent 👌