Icebreaker - Siren Merino Bikini. Color Gritstone Heather/Black. On sale for $29.23. MSRP $35.00.. 4.6 out of 5 starsBrand NameIcebreakerProduct NameSiren Merino BikiniGenderWomen'sColorGritstone Heather/BlackPrice$29.23MSRP: $35.00Rating5Rated 5 stars out of 5(12)