Aurifil threads and Hoffman Fabrics have teamed up to offer this inspiring thread set sure to give your Challenge project the extra edge. Five colors of 50 wt thread have been specially selected to match the Hoffman Challenge Into the Meadow collection . Hoffman Challenge 2021-2022 - Into The Meadow thread set, 5 spools of 220 yds, 50 weight, 100% cotton Mako thread from Aurifil. Colors included: 2110, 2515, 5018, 2440, 2715.