A merino wool mid-layer top can also be worn as the base layer when needed. Many people who find regular wool itchy can wear merino garments without problems. - Very fine quality: fiber thickness 16 microns - Fabric weight: 220 g/m², a relatively thick option - Half-length zipper - Zipper cover at the top to protect the neck - Slim fit that fits well under a jacket - Works as both a base layer and a mid-layer - Machine washable: do not use bleach or fabric softeners; ideally wash with wool detergent and on a wool cycle Lasting is a favorite brand among many outdoor enthusiasts and hikers. Its garments combine the benefits of merino wool with excellent wearing comfort. Lasting clothing is made in the Czech Republic. *Mustikka* is Finnish for blueberry/bilberry.