Dolce and Gabbana shirt material

[Jwatkins]

I'm going to Hong Kong and am going to get lots of bespoke shirts (recommendations?) I was wondering if anyone knows the exact fabric used in the Dolce and Gabbana mainline collection for shirts. I was thinking of getting a few casual shirts that look like:
http://www.sherlockology.com/wardrobe/shirts-sherlock-holmes

Thanks