30 days return period from the date of delivery. Find out how to make a return
Most products are delivered within 2-5 working days.

Lead times vary depending on the country of delivery and product availability.

Check the details
Nav switch

Enter a search term to see the hints.

Icebreaker Siren Bikini women's thermal underwear in midnight navy provides effective thermal regulation and high breathability during intense winter activities. Their production utilises merino wool and LYCRA® fibres, ensuring flexibility and antibacterial properties.

Basic data

Brand icebreaker
Country of origin of the brand Outside the European Union
Sport Winter sports, Tourism, Sportstyle
Gender Woman
Season Year-round
Leading colour Brown
Model/product code Siren Bikini IB1031647381
Code 2000218640

Material

Material Elastane, Polyamide (Nylon), Merino wool
Merino wool content 51-99%

Product details

Quantity per pack 1 pair
Technologies LYCRA®

Care and environment

Care instructions Do not tumble dry, Iron at up to 110°C, Wash gently at 30°C, Wash with similar colours, Do not bleach, Dry upright, Do not use softeners, Dry in the shade, Do not dry-clean

Warnings and producer's data

Producer VF Corporation | 1551 Wewatta St., Denver, Colorado 80202, USA | customercare_gb@icebreaker.com | VF Europe B.V., Link 1, Posthofbrug 2-4, 2600 Antwerpen, Belgium B | privacy_europe@vfc.com

Women's thermal underwear Icebreaker Siren Bikini umber (IB1031647381)

Icebreaker Siren Bikini thermal underwear for women in umber is an excellent choice for women seeking comfort during physical activity. Made from a high-quality blend of materials, including merino wool, polyamide (nylon), and elastane, they provide unparalleled thermal regulation properties. Merino wool, the main component, is known for its ability to naturally regulate body temperature and breathability, making these underwear ideal for year-round wear.

LYCRA® technology for flexibility

Icebreaker Siren Bikini thermal underwear for women in umber has been enhanced with LYCRA® technology, giving them exceptional elasticity. This ensures a perfect fit to the body without restricting movement. This solution makes the underwear not only comfortable but also durable and resistant to deformation during intensive use. The combination of LYCRA® flexibility with the softness of merino wool creates a product that meets the expectations of the most demanding users.

Material properties

The merino wool used in Icebreaker Siren Bikini thermal underwear for women in umber is characterised by excellent thermal properties. It is a natural material that not only insulates heat but also wicks moisture away, providing a feeling of dryness even during intense exertion. The addition of polyamide increases the durability of the underwear, while elastane ensures appropriate elasticity. This combination of materials allows for comfortable use in a variety of conditions.

Icebreaker Siren Bikini thermal underwear for women - features:

  • Merino wool providing excellent thermal regulation properties;
  • LYCRA® technology offering elasticity and fit;
  • Polyamide increasing durability and resistance to damage;
  • Elastane improving flexibility and wearing comfort;
  • Natural breathability and moisture-wicking by merino wool;
  • Perfect fit to the body ensuring freedom of movement.
LYCRA®
Otherwise known as spandex, elastane. A strong, durable and lightweight synthetic fabric that is versatile in its uses. Garments made from Lycra are characterised by their stretch and elasticity, and easily return to their original shape. In addition, the material is soft, breathable and pleasant to the touch.
  1. 100%

    plAgnieszka

    Excellent

    Very comfortable, quick-drying. Very good workmanship, nothing pinches and the inner tag can be easily detached. Highly recommended.

    Translated.Show original
  2. 100%

    uaВолодимир

    Price is quality!

    High-quality lingerie for active sports and everyday use!

    Translated.Show original

Review this product

Women's thermal underwear Icebreaker Siren Bikini umber

Women's thermal underwear Icebreaker Siren Bikini umber

Overall rating
Please enter the order number under which you purchased this product at Sportano.

Find out how to properly care for your product, how to clean it and what to avoid in order to prolong its life and keep it looking great for longer.

  • Do not dry-clean
  • Do not tumble dry
  • Do not use softeners
  • Dry in the shade
  • Dry upright

Women's thermal underwear Icebreaker Siren Bikini umber New

Size Sizes table
Choose an Option...

Choose an Option

Sizes table

    Below you will find information that will help you choose the right size when buying women's upper garments from ICEBREAKER. All you will need is a tailor's tape measure.

    Size XS S M L XL
    Bust circumference (cm) 76-82 82-88 88-94 94-100 100-107
    Arm length (cm) 77-77,5 77,5-78 78-78,5 78,5-79 79-79,5
    Waist size (cm) 58-64 64-70 70-76 76-82 82-89
    Hip circumference (cm) 84-90 90-96 96-102 102-107 107-113
    €39.99
    • We are calculating the delivery time for you More
    • Delivery from 3,99 € More
    • 30 days to return More
    • Original products Check it out