The Merino 150 Siren Bikini is stretchy and soft next to your skin, a slim-fit underwear for go-to everyday comfort. The Siren's light 150gm Merino Corespun fabric helps regulates body temperature in all weather conditions. The low-profile style features a modern, bulk-free fit with optimal coverage, and the forward-set side seams eliminate chafing. Inspired by nature, icebreaker harnesses the performance qualities of natural fibres to offer an alternative to clothing based on petrochemical synthetics. Merino is an annually renewable fibre that naturally resists odours, keeps you cool when it’s hot and warm when it’s not, and lets your skin breathe for comfort all day, every day.
The Merino 150 Siren Bikini is stretchy and soft next to your skin, a slim-fit underwear for go-to everyday comfort. The Siren's light 150gm Merino Corespun fabric helps regulates body temperature in all weather conditions. The low-profile style features a modern, bulk-free fit with optimal coverage, and the forward-set side seams eliminate chafing. Inspired by nature, icebreaker harnesses the performance qualities of natural fibres to offer an alternative to clothing based on petrochemical synthetics. Merino is an annually renewable fibre that naturally resists odours, keeps you cool when it’s hot and warm when it’s not, and lets your skin breathe for comfort all day, every day.
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last seen 26 Feb 2026
The lowest price we last saw for Icebreaker Women's Siren Bikini-Midnight Navy-Small was $50.50 at campsaver.com (last seen 26 Feb 2026). Prices may have changed since.
The all-time low we recorded was $26.99 on 25 Dec 2023.
Prices last updated 26 Feb 2026.
Icebreaker Women's Siren Bikini-Midnight Navy-Small
The Merino 150 Siren Bikini is stretchy and soft next to your skin, a slim-fit underwear for go-to everyday comfort. The Siren's light 150gm Merino Corespun fabric helps regulates body temperature in all weather conditions. The low-profile style features a modern, bulk-free fit with optimal coverage, and the forward-set side seams eliminate chafing. Inspired by nature, icebreaker harnesses the performance qualities of natural fibres to offer an alternative to clothing based on petrochemical synthetics. Merino is an annually renewable fibre that naturally resists odours, keeps you cool when it’s hot and warm when it’s not, and lets your skin breathe for comfort all day, every day.
The Merino 150 Siren Bikini is stretchy and soft next to your skin, a slim-fit underwear for go-to everyday comfort. The Siren's light 150gm Merino Corespun fabric helps regulates body temperature in all weather conditions. The low-profile style features a modern, bulk-free fit with optimal coverage, and the forward-set side seams eliminate chafing. Inspired by nature, icebreaker harnesses the performance qualities of natural fibres to offer an alternative to clothing based on petrochemical synthetics. Merino is an annually renewable fibre that naturally resists odours, keeps you cool when it’s hot and warm when it’s not, and lets your skin breathe for comfort all day, every day.
Last updated at 26/02/2026 16:52:50
Icebreaker Siren Bikini Briefs - Women's Midnight Navy Small IB103164423S
| Material characteristics | breathable, elastic, moisture wicking |
| Material outer fabric | 12% Nylon, 5% Elastane, 83% Wool (Merino) |
| Outer fabric | Merino Wool |
Icebreaker Siren Bikini Briefs - Women's Midnight Navy Small IB103164423S
| Material characteristics | breathable, elastic, moisture wicking |
| Material outer fabric | 12% Nylon, 5% Elastane, 83% Wool (Merino) |
| Outer fabric | Merino Wool |