The partlet dates from the Tudor and Elizabethan period (England, 1500 - 1600) and Flemish working-class women 1550s - 1570.
The original garment was intended for warmth, but by the mid 16th century, it'd purpose was purely decorative, and thus it was made from very light weight materials
What is this? This is The Garbindex - a guide to making garb for recreationists (ie how to sew clothes that will make you look genuinely medieval, when 'playing' with such groups as the SCA, doing LARP - or even making something really genuine for drama.)
Use these resources to find resources that will help you create clothing that looks great - and real!