Smartwool - Classic All-Season Merino Base Layer 1/4 Zip. Color Light Gray Heather. Low Stock. On sale for $82.65. MSRP $95.00.. 4.6 out of 5 stars2 left in stock+2Brand NameSmartwoolProduct NameClassic All-Season Merino Base Layer 1/4 ZipGenderWomen'sColorLight Gray HeatherPrice$82.65MSRP: $95.00Rating5Rated 5 stars out of 5(67)