I wore this dress to a july wedding in miami beach, and if you know sofla, you know that it's hot, humid and sultry. despite the weather, the dress was light, especially at the bottom because of the slits, so i wasn't terribly hot and sweaty underneath the dress. the slip is a good length, not too short and not too long, which makes for a sexy fit. 

sizingwise, i'm 5'4" and weigh about 120 lbs. and purchased the dress in pxxs. i said the dress was tts because it fit a little bit snug at the u