Even though I have a bit of trouble with set in sleeves, most of the dresses I make have them. This is because I lived in Sydney, Australia for four years, where in the summer (and even the spring and autumn) my shoulders would burn just walking to the corner store. I designed dresses that kept my shoulders and the back of my neck out of the sun without being too warm. This was one of the most successful, mostly thanks to the very thin, soft cotton fabric. Sadly the very open, almost cheesecloth like weave makes it a very fragile fabric, and it has not lasted well. But I will keep wearing it until it completely falls apart (or I find fabric like this again) because there is nothing more comfortable on a hot sunny day.