Smartwool - Intraknit Active Base Layer Long Sleeve. Color Twilight Blue/Pool Blue. Low Stock. On sale for $82.50. MSRP $110.00.. 4.4 out of 5 starsAdd to favorites. 0 people have favorited this4 left in stock+2Brand NameSmartwoolProduct NameIntraknit Active Base Layer Long SleeveGenderWomen'sColorTwilight Blue/Pool BluePrice$82.50MSRP: $110.00Rating4Rated 4 stars out of 5(25)