Smartwool - Plus Size Classic Thermal Merino Base Layer Bottoms. Color Purple Iris Heather. Low Stock. On sale for $86.25. MSRP $115.00.. 4.3 out of 5 stars4 left in stock+3Brand NameSmartwoolProduct NamePlus Size Classic Thermal Merino Base Layer BottomsGenderWomen'sColorPurple Iris HeatherPrice$86.25MSRP: $115.00Rating4Rated 4 stars out of 5(19)