Soft and stretchy merino wool underwear with a modern slim fit, the Siren Bikini features our corespun fabric that’s incredibly soft and durable.
More from Fall Run 2026: Gear Up For Cooler Days
Soft and stretchy merino wool underwear with a modern slim fit, the Siren Bikini features our corespun fabric that’s incredibly soft and durable.
Merino Corespun - merino blend regulates body temperature in all weather conditions.