Nankeens are a later Regency fabric boot with leather soles, adjustable lacing closure, and a soft, round toe. They are perfect for daywear, intended for outdoor use, and are even dyeable (purple, red, blue, oh my!) You can learn more about the boots here.
You can order your own pair here: http://www.american-duchess.com/shoes-18th-century/nankeen-fabric-regency-boots
Have a nice day!