Icebreaker - Siren Short Sleeve Sweetheart. Color Black. On sale for $60.00. MSRP $75.00.. 2.0 out of 5 stars+3Brand NameIcebreakerProduct NameSiren Short Sleeve SweetheartColorBlackPrice$60.00MSRP: $75.00Rating2Rated 2 stars out of 5(2)