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Women's Merino Thermal Underwear Set

€98,95
/
Free shipping on every order.
Buy 2, save 10% · Buy 3+, save 15%
Free shipping with An Post & 60-day returns
Secure payment options
Last items available
Ships by Wed, Oct 7
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Where natural merino warmth meets practical layering

This women’s thermal underwear set combines merino wool with a functional base-layer design for comfortable wear in cooler conditions. Its understated construction makes it suitable for everyday use beneath additional layers.

Curated Essentials:

  • Merino wool fabric: Made with merino wool as the primary material

  • Thermal construction: Designed to provide a warm base layer in cooler weather

  • Layering-friendly design: Its practical format works easily beneath other garments

  • Everyday functionality: A simple design suited to regular cold-weather wear

Details

  • Fit: Comfortable base-layer fit

  • Design: Women’s merino wool thermal underwear set

  • Season: Autumn / Winter

  • Suitable for: Everyday wear, cold-weather layering and cooler conditions

Care Guide

  • Follow the care instructions provided on the garment label

  • Avoid bleach unless specifically permitted on the care label

  • Use the recommended washing and drying method indicated on the label

We deliver to Ireland and the United Kingdom, and delivery is free on every order.

  • Orders are processed within 2–3 business days.
  • Standard delivery takes 3–7 business days after dispatch.
  • You will receive tracking details by email as soon as your order ships.

Read our full shipping policy

You have 60 days from delivery to return unused items in their original condition with all tags attached.

  • Refunds are processed within 7 business days of your return arriving, to your original payment method.
  • Return shipping is paid by the customer; we recommend a tracked service.
  • No restocking fees.

Read our full refund policy

Questions about sizing, an order or a return? Email us at support@fireflystyle.com.

We are available Monday to Friday 8:00–17:00 and Saturday and Sunday 9:00–16:00, and usually reply within 12 hours.

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Frequently Asked Questions

Once your order is on its way, delivery typically takes 3–7 business days, Monday through Saturday. You’ll receive a tracking link as soon as your parcel is dispatched so you can follow its progress right to your door.

Of course. If you change your mind, you have 60 days from delivery to request a return. Simply email Support@fireflystyle.com and our team will walk you through the next steps.

At the moment, we ship within Ireland and the United Kingdom. This allows us to keep delivery reliable and service quality high. If this changes in the future, we'll be sure to share the news.

Yes, it is. Every order includes free shipping, with no minimum spend and no extra conditions. We believe delivery should be simple and stress-free.

After your return has been received and approved, refunds are processed within 7 business days. Depending on your bank or payment provider, it may take a little longer for the funds to appear.