Jeans with beautiful, beaded tops or paisley fabrics, often with a shawl or (oh nos) poncho. I must own over a dozen ponchos -- I have ones made out of metallic fabric, velvet, cashmere -- one from Italy, and Sweden, and vintage ones from the 60's. Ironically, I don't own any from Mexico.
So, I guess I lean towards the winter, as I like to wear things that wrap my body.
Oh, and I don't always dress this way, I wear more conventional clothing for work. Boring 'ole blouses and khaki pants with dress shoes.