Icebreaker - Siren Short Sleeve Sweetheart. Color Midnight Navy. Low Stock. On sale for $59.68. MSRP $75.00.. 2.0 out of 5 stars4 left in stock+3Brand NameIcebreakerProduct NameSiren Short Sleeve SweetheartGenderWomen'sColorMidnight NavyPrice$59.68MSRP: $75.00Rating2Rated 2 stars out of 5(2)