Icebreaker - Siren Hipkini. Color Gritstone Heather 1. On sale for $34.36. MSRP $35.00.. 4.2 out of 5 stars+6 colors/patternsBrand NameIcebreakerProduct NameSiren HipkiniGenderWomen'sColorGritstone Heather 1Price$34.36MSRP: $35.00Rating4Rated 4 stars out of 5(10)