1879-1885 ca. Linen Riding Corset, English. 
 https://books2read.com/SuziLoveCorsetBook19 Woven linen corset, weighs 0.14kg, and worn for riding. Made on a loom with pockets for bones and busk, woven corsets were lightweight, flexible, washable and patented in France in 1832 by Jean Werly. Stitched corsets made from seamed pattern pieces provided more support when on horseback. Manufacturer: Charles Bayer. via Victoria and Albert Museum, London, UK.