60's Ivory Knit Sheath Dress with Navy or Black Trim by AdolfoThis vintage 1960s sheath dress from a former Adolfo boutique at Saks Fifth Avenue is made with a 70 30 wool and rayon blend yarn, quite similar to St. John's santana knits. (Santana was the name given to the proprietary yarn developed by St. John's founder, Marie Gray, in 1965. It is most often an 80% wool 20% rayon blend and is loved for its ability to retain its shape and resist wrinkling.) The shape of this dress is a subtle A line. The accent