Smartwool - Intraknit Racerback Bra. Color Black Heather. Low Stock. On sale for $52.90. MSRP $65.00.. 3.8 out of 5 stars5 left in stockBrand NameSmartwoolProduct NameIntraknit Racerback BraColorBlack HeatherPrice$52.90MSRP: $65.00Rating4Rated 4 stars out of 5(34)