I have a guy friend who loves them and refuses to wear pants if he can wear his utilikilts. He would look like a total stud in them if it weren't for... y'know... his face.
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His gf loves him in them, though, and they appreciate the design (not to go into details here.) He goes 'regimental' aka 'traditional'
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They appear to be very popular here in the PNW, but then again, they were developed here.
Would I wear them in OK? Only in 'liberal' parts of town. Lots of people might not understand the comfort of undercarriage A/C.