This yarn is in stock & ready to ship. 80% Superwash Merino wool/ 20% Nylon blend, 2 ply self striping sock yarn. All yarns are hand dyed with professional acid dyes. There are no dye lots and there may be some variations between skeins. The base yarn is Superwash, but hand washing is recommended. Lay flat to dry. Mini skein for contrast toe and heel option available when ordering.