Icebreaker Siren Bikini Women's Black

The Icebreaker Siren Bikini is a lightweight, breathable women's brief designed for everyday comfort and active lifestyles. Made from a premium blend of 83% merino wool, 12% nylon, and 5% LYCRA®, this bikini offers natural odor resistance, temperature regulation, and a soft-touch feel against the skin. The ultralight 150 g/m² fabric and flatlock seams ensure a chafe-free fit, while the elasticated waistband provides a secure yet gentle hold. Ideal for outdoor adventures, travel, or daily wear, the Siren Bikini combines performance and sustainability in one essential piece.

Advantages

Natural merino wool regulates body temperature, keeping you cool in warmth and warm in cool conditions. The corespun technology wraps nylon around a merino core for added durability without sacrificing softness. Odor-resistant fibers mean you can wear longer between washes, perfect for multi-day trips. Quick-drying and machine washable, this bikini is easy to care for and built to last.

Suitable for

• Outdoor activities: hiking, camping, skiing
• Travel: lightweight and packable
• Everyday wear: comfortable under clothing
• All-season use

Key specifications

• Product Type: Bikini Briefs
• Gender: Women's
• Color: Black
• Material: 83% Merino Wool, 12% Nylon, 5% LYCRA®
• Fabric Weight: 150 g/m² (Ultralight)
• Fit: Slim
• Technology: Corespun
• Features: Breathable, Odor-resistant, Quick-drying, Soft-touch, Comfortable waistband, Flatlock seams
• Season: All-season
• Care Instructions: Machine wash cold, line dry in shade. Do not tumble dry.
• Sustainability: Natural, renewable merino wool
• Waistband Type: Elasticated
• Seam Type: Flatlock
• Activity: Outdoor, Travel, Everyday
• Merino Micron: 18.9 micron

Recommendations

For best results, pair with other Icebreaker merino layers. Wash with like colors and avoid fabric softeners. Line dry to maintain shape and performance.