bagging made chiefly of hemp and jute.
Also hop·sack [hop-sak] /ˈhɒpˌsæk/. a coarse fabric made of cotton, wool, or other fibers and similar to burlap, used in the manufacture of wearing apparel.

Origin of hopsacking

First recorded in 1880–85; hop2 + sacking
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019