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 Garden State of Mind collection. Hoffman Challenge 2020 - Garden State of Mind thread set, 5 spools of 220 yds, 50 weight, 100% cotton Mako thread from Aurifil. Colors included: 2435, 2460, 2130, 2830, 4182.