Yep, and this one does have that texture, but I'm not sure if it's seersucker or just treated cotton, probably because I really haven't seen much seersucker stuff IRL. Next time I'm at my tailor I will compare it with the seersucker in the H&S swatch books. I really like it, though. Feels much cooler than linen, in fact I must be some kind of weirdo because I sweat less in cotton shirts than linen shirts.
I was going to have it made, but my tailor would make it too structured and overall warmer, so went with RTW this time. Feels like wearing two shirts, rather than a shirt and a jacket.
May I ask what it's called and where you got it?