Smartwool - Intraknit Racerback Bra. Color Black Heather. Low Stock. On sale for $46.15. MSRP $65.00.. 3.8 out of 5 stars2 left in stockBrand NameSmartwoolProduct NameIntraknit Racerback BraGenderWomen'sColorBlack HeatherPrice$46.15MSRP: $65.00Rating4Rated 4 stars out of 5(37)