Smartwool - Plus Size Classic All-Season Merino Base Layer Long Sleeve. Color Twilight Blue. On sale for $67.50. MSRP $90.00.. 4.7 out of 5 stars+3Brand NameSmartwoolProduct NamePlus Size Classic All-Season Merino Base Layer Long SleeveColorTwilight BluePrice$67.50MSRP: $90.00Rating5Rated 5 stars out of 5(12)