Icebreaker - Siren Hipkini. Color Gritstone Heather 1. On sale for $26.25. MSRP $35.00.. 4.2 out of 5 stars+6 colors/patternsBrand NameIcebreakerProduct NameSiren HipkiniColorGritstone Heather 1Price$26.25MSRP: $35.00Rating4Rated 4 stars out of 5(10)