Icebreaker - Siren Merino Tank Top. Color Gritstone Heather. Low Stock. On sale for $51.41. MSRP $70.00.. 4.9 out of 5 stars8 left in stock+6Brand NameIcebreakerProduct NameSiren Merino Tank TopGenderWomen'sColorGritstone HeatherPrice$51.41MSRP: $70.00Rating5Rated 5 stars out of 5(10)