If you thought Mizzen+Main couldn’t possibly get more comfortable, think again. The Preston Quarter-Zip is our take on a Merino Wool sweater, and there’s nothing you can read about it that does it justice. Feel it for yourself. Fabric Contents: 100% Merino WoolPreston Quarter Zip. A Merino Wool sweater designed with that perfect Mizzen blend of style, comfort, and performance. Once you put on the Preston your other sweaters will never feel the same. Machine Wash Cold Hang Dry. Fresh Colors of Deep Olive or Dark Beige, both with a preppy Gray/Navy collar and hem trim.