I've looked in all of my usual Asian online sources for this apparel but am unable to find it anywhere. A couple of female friends have wondered the same after seeing the Singapore WD and XD in their purple kit at the London GPG.

Stuff like the following:
http://upload.wikimedia.org/wikipedi...mrungpan_1.jpg
Name:  Busanan+Ongbumrungpan+London+Badminton+Grand+9uixNlHM_SQl.jpg
Views: 265
Size:  72.4 KB
Name:  20131005_1445_londongpg-2013_raph0812.jpg
Views: 273
Size:  136.5 KB
Name:  Jan+O+Jorgensen+London+Badminton+Grand+Prix+QLYEf6F4K56l.jpg
Views: 382
Size:  63.7 KB