Women’s Thermal & Activewear Tops
Warm, lightweight, and versatile, our Mason William Merino wool thermal tops are perfect for layering or wearing on their own. Naturally moisture-wicking, quick-dry, and odor-resistant, they keep you fresh and comfortable through every activity. Ideal for rock climbing, yoga, hiking, camping, or simply relaxing at home, these tops deliver breathable, temperature-regulating performance. Designed as a reliable base layer, they provide soft warmth and lasting comfort in harsh conditions or everyday wear.