Smartwool - Merino 250 Base Layer 1/4 Zip. Color Purple Iris Heather. On sale for $89.93. MSRP $120.00.. 4.7 out of 5 stars+10Brand NameSmartwoolProduct NameMerino 250 Base Layer 1/4 ZipColorPurple Iris HeatherPrice$89.93MSRP: $120.00Rating5Rated 5 stars out of 5(460)