I used these from before birth until delivery. Since they come as a set with a belly band, I think they will keep you warm even in the coming seasons. The pelvic belt was very helpful, providing moderate support for my belly in the late stages of pregnancy. - Gray belly band, black pelvic belt → Inujirushi Honpo - Pink belly band → Pigeon Please check the photos for the sizes. Please refrain from purchasing if you are sensitive to used items.