The Ridgeline Merino Thermal Top 165 is a lightweight, high-performance base layer designed for comfort, breathability, and versatility in cool to mild conditions.

Made from a durable blend of Merino wool and polyester, this base layer delivers excellent moisture management, thermoregulation, and odor resistance. The ultra-soft fabric ensures all-day comfort, while integrated thumb holes provide extra coverage and keep sleeves secure when layering. Whether worn as a foundation in a layering system or as a standalone piece in milder weather, this top is built to perform.