Made in the USA! Merino requires proper care to make its performance last. Grangers Merino Wash is bluesign® approved, powerful, wash-in cleaner that gently cleanses and refreshes merino wool and baselayers. It neutralizes odors, safely removing dirt without stripping out the natural oils that are key to merino’s performance. It contains natural cedar extract to repel moths and protect your clothing. -Tex®.