Published by at 03/08/2026 The Smartwool Merino 250 Baselayer Top for women in size medium is a solid yellow long sleeve top made from wool knit fabric. Ideal for outdoor activities like hiking, this top is designed for winter, fall, and spring seasons. With a body compression area, it provides comfort and support during physical activities. Machine washable and featuring the SmartWool brand, this baselayer top is a versatile addition to any woman's activewear collection.