Nope. Luxire once partially lined a medium-weight cotton twill pant for me with a lighter weight cotton specifically to provide a buffer between the wearer and the material (and to make one's legs contact the cooler-feeling fabric). And it works.
Sport coat. Eh, these things happen. The garments are made by human beings; someone probably read a "19" as an "18" or something. All of the other measurements were spot-on and it's one of the nicest pieces in my wardrobe.
Cross-post with the Friday Challenge: Herringbone. If you don't vote for me it means you hate America.
Sport coat: Suitsupply
Wool trousers: Lands' End
Shoes: Meermin Mallorca
Pocket square: Tom Ford
Watch: Timex Easy Reader
Wrist Beads: homemade
Not a great photo, but a great material -- brown/black linen from the recent sale.
I steamed out the wrinkles (as much as is possible with linen) but haven't washed it yet. It'll be a little slimmer with a softer collar after that.