Icebreaker - Siren Merino Long Sleeve Sweetheart. Color Black. On sale for $63.75. MSRP $85.00.. 4.7 out of 5 starsAdd to favorites. 0 people have favorited this+4Brand NameIcebreakerProduct NameSiren Merino Long Sleeve SweetheartGenderWomen'sColorBlackPrice$63.75MSRP: $85.00Rating5Rated 5 stars out of 5(7)