icebreaker Women's Merino 150 Siren Bra Inserts

The Merino 150 Siren Bra Inserts features a stretchy, soft and durable Merino wool corespun fabric, thin adjustable straps for a barely-there feel and a low level of support for your everyday adventures. It comes with removable cup inserts.

• Slim fit
• Low support
• Corespun fabric for enhanced durability
• LYCRA(R) content for stretch and mobility
• Adjustable straps
• Removeable cups
• Flatlock seams to help reduce friction
• Technologies: Merino wool is super lightweight, soft, moisture-wicking, non-itchy, non-clammy, warm in the cold and cool in the heat, and has a miraculous ability to resist odour. Because it was made in the mountains rather than in a petrochemical laboratory. It's naturally renewable, recyclable and biodegradable. p>Merino wool corespun wraps Merino fibre around a super-fine nylon core to create lightweight, warm and durable garments for demanding activities. The enhanced strength and durability of the fabric retains the next-to-skin softness, breathability, temperature regulation and odour resistance of Merino wool. The smaller the micron, the finer the fibre, the softer it feels. The diameter of a Merino fibre is measured in microns - where one micron equals one millionth of a metre. Icebreaker's Merino fibres range from 15.5 to 23.5 microns to ensure a soft hand feel across our skin to outer layers. Finer fibres feel softer because they bend more easily when in contact with the skin.
• Icebreaker next-to-skin layers: 15.5-18.5 micron
• Icebreaker mid layers: 18.6-22.5 micron
• Icebreaker outer layers: 22.6-23 micron
• Synthetic fibres: 30 micron
• Traditional wool fibre: 50 micron
• Human hair: 70 micron

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