Wills written at this time record clothing, because it was a valuable asset. Finding contemporary writing is not always easy, neither is reading the writing. Translations and interpretations by modern authors can be useful, especially by fellow enthusiasts, published and found on traders row - caveat emptor. There are some surviving garments from the 17th century, these tend to have a well known provenance. They would have been expensive or valuable for sentimental reasons, think of clothes saved nowadays - wedding dresses or christening gowns, worn once but kept indefinitely.
Original garments give construction details.
Working class clothes would have been made in similar manner of cut, the tailors would have used less expensive fabric. A word of warning, due to the interest in the Civil War, these clothes may have been adapted for 'fancy dress' at any time after the Civil War or used by artists' models. The alterations may have been made in the 17th century so that the garment could have been worn by someone else, or at a later date to accommodate a different style of corset. For those who do not have the time or inclination to do research here is my interpretation of the clothes worn by working class English women. Fabrics Linen was worn next to the skin, shifts, shirts , collars, coifs, kerchiefs were made of linen.