The Smartwool Women's Merino 150 Baselayer SS Top is a women's baselayer top featuring the lightest weight Merino fabric. It's pretty durable and doesn't have shoulder seams, making it a pretty cool shirt. The side seams help provide a body-enhancing Fit while the stitching gives it a more feminine aesthetic. Features of the Smartwool Women's Merino 150 Baselayer Short Sleeve Top Lightest weight Merino jersey fabric Uses a nylon core to increase durability while keeping Merino wool next to skin Raglan sleeve design removes shoulder seams Side seams wrap to front for body-enhancing Fit Stretch merrow stitching for comfort and a feminine aesthetic