Smartwool - Active Ultralite Racerback Tank. Color Light Gray Heather. Low Stock. On sale for $23.85. MSRP $45.00.. 4.3 out of 5 stars1 left in stockBrand NameSmartwoolProduct NameActive Ultralite Racerback TankColorLight Gray HeatherPrice$23.85MSRP: $45.00