How did seamstress dress during Medieval times?

http://images.google.com/images?hl=en&rlz=1G1GGLQ_ENUS362&q=medieval+seamstress&um=1&ie=UTF-8&ei=nfOsS9pUgfnwBvq9zNwL&sa=X&oi=image_result_group&ct=title&resnum=4&ved=0CCEQsAQwAw

http://images.google.com/images?hl=en&gbv=2&ie=ISO-8859-1&tbs=isch%3A1&sa=1&q=Medieval+dress+peasant+woman