J. Crew Fair Isle turtleneck sweater in Supersoft yarn size Medium A magical mixture of merino wool... alpaca and stretch makes this sweater supersoft (hence the name). Add a colorful Fair Isle yoke (inspired by vintage ski sweaters) and a cozy, chunky knit, and—ta-da!—you've got pretty much the perfect winter sweater. Polyamide/merino wool/alpaca/elastane. Gently worn with minor piling