. Icebreaker - Merino 150 Siren Bikini. Color Gritstone Heather. On sale for $26.25. MSRP $35.00.. New ColorAdd to favorites. 0 people have favorited this+2 colors/patternsBrand NameIcebreakerProduct NameMerino 150 Siren BikiniGenderWomen'sColorGritstone HeatherPrice$26.25MSRP: $35.00Rating