If you want to see people dressed up, go to a ska concert. In particular, two-tone ska attracts fans that like to wear mod/punk-influenced ska styles, such as suits, skinny ties, fedoras, pork pie hats, suspenders, flare dresses, pedal pushers, etc. Saw some argyle too, although not traditionally ska. And lots of patterns -- the ubiquitous black-and-white of stripes, checks, and houndstooth, mod dots, cherries, and other fun graphics.

Here's my attempt at ska style with stuff I had in my closet to go see the Specials last night. And my attempt at skanking arms

P.S. If you find middle-aged women in really short dresses to be inappropriate or "skanky," you may consider looking away