Khaki shorts that just graze the knees, a dark t-shirt (tucked in) with stiff gelled hair and dark sunglasses. Preferably pumping gas.
It gets better. For my college graduation two years ago, I wore my kilt with my double-breasted suit. 
Guinastasia – let me add a resounding amen to the suspendered look. It goes well with lab coats, too – I guess I’m wierd, but I suddenly have this lovely Manhatten Project fantasy …
My senior year in high school, I went to Europe with a guy who donned a kilt for most of the trip. He was amazingly hot. I can’t think of kilts without thinking of him.
So yeah, kilts do it for me.
As do double-breasted suits and tuxedos, but most of all, I enjoy the laid back look of loose fitting, naturally weathered jeans that hang on the hips without busting slack, messily tucked in faded t-shirt, and sandals of a manly variety. Mmmm. Gets me going.
The other day I was at my favorite coffee shop, and I was checking out this guy who was dressed in exactly this manner. I had noticed everything but his face when he said, “Shrew? Is that you? I haven’t seen you in ages.”
I had known him in college, and dammit if he didn’t look hot.
I don’t care much about kilts, but bathrobes are yummy, especially if the guy wears glasses. (Come to think of it, guys with glasses are yummy in anything. Mmmm.)
I agree with the white tshirt and tight jeans…yummy
My list of turn ons:
~White Men Only~
~Short hair~
~Full red lips~
~Round bubble butt~
~Goatee~
~British or Aussie accent~
~Big chest and arms~
~Blue Collar Workers~
All of the above get my juices flowing…
Military uniforms creep me out. It’s an automatic reaction; I can’t help it, but it’s a huge turn-off.
Kilts on the other hand…mmm-mmmm, come to mama! Nothing says “I’m secure in my masculinity” like a guy in a kilt.
I’m with Guin, too, about fedoras, suspenders, baggy pants. It really does it for me.