Heritage is a super-soft yet durable yarn that is machine washable and dryable because of its blend of superwash merino wool and nylon. Heritage has amazing stitch definition and with 437 yards and an array of colors, this yarn is great for one skein projects, such as socks, mitts and other fun accessories. 75% Superwash Merino Wool 25 % Nylon, 1- fingering weight, 437 yards, 2.25-3.25mm needles