Smartwool - Classic All-Season Merino Base Layer 1/4 Zip. Color Twilight Blue. Low Stock. On sale for $47.83. MSRP $95.00.. 4.6 out of 5 stars1 left in stock+2Brand NameSmartwoolProduct NameClassic All-Season Merino Base Layer 1/4 ZipGenderWomen'sColorTwilight BluePrice$47.83MSRP: $95.00Rating5Rated 5 stars out of 5(67)