Merrell Siren 4 Thermo Mid Zip Wp Hiking Boots Brown EU 42 Women

Merrell Women's Siren 4 Thermo Mid Zip Waterproof Walking Boot, Tobacco, UK 8

Merrell Siren 4 Thermo Mid Zip Wp Hiking Boots Brown EU 42 Women

Overall Rating: 3.8 / 5 (average from multiple review sources, as of 28 Jan 2026)
Based on a total of 25,896 customer reviews from independent review platforms.

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Merrell Siren 4 Thermo Mid Zip Waterproof Women's Walking Boots - AW24

Overall Rating: 4.5 / 5 (average from multiple review sources, as of 7 Feb 2026)
Based on a total of 98,379 customer reviews from independent review platforms.

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Merrell Women's Siren 4 Thermo Mid Zip Waterproof Walking Boot, Tobacco, UK 8

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Merrell Siren 4 Thermo Mid Zip Womens Waterproof Brown Boots Size UK 5-8

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 7 Feb 2026)
Based on a total of 22,359 customer reviews from independent review platforms.

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Merrell Women's Siren 4 Thermo Mid Zip Waterproof Walking Boot, Tobacco, UK 8

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UK 8 Merrell Womens Siren 4 Thermo Mid Zip Snow Boots Brown Size

Overall Rating: 4.5 / 5 (average from multiple review sources, as of 28 Jan 2026)
Based on a total of 15,916 customer reviews from independent review platforms.

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Merrell Womens Siren 4 Thermo Mid Zip Waterproof Boots, Brown, Size 8, Women Brown

Overall Rating: 3.8 / 5 (average from multiple review sources, as of 1 Feb 2026)
Based on a total of 195,239 customer reviews from independent review platforms.

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Merrell Women's Siren 4 Thermo Mid Zip Waterproof Walking Boot, Tobacco, UK 8

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Merrell Women's Siren 4 Thermo Mid Zip Waterproof Walking Boot, Tobacco, UK 8

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Product information

At a glance

  • Dry, warm comfort: Features water-resistant, breathable material with lightweight insulation.
  • Innovative support: Includes removable insole and dual-density midsole for alignment and comfort.
  • Functional yet stylish: Blends durability, practical design, and aesthetic appeal.

Note: This text was created with the help of AI.

Perfect for the Winter Adventurer

Are you an outdoor enthusiast seeking the perfect footwear to brave the chilly months? Look no further! The Merrell Siren 4 Thermo Mid Zip WP Women in a chic tobacco colour are the winter shoes you've been hunting for. These boots are designed for women who love winter hiking or simply want a sturdy and warm shoe for daily winter use.

A Symphony of Advantages

The Merrell Siren 4 boots are loaded with functional perks aimed at making your winter treks enjoyable. Let's take a look at some of these advantages:

  • They come equipped with M Select DRY impermeable membrane that seals out water and lets moisture escape, ensuring your feet stay dry.
  • 200 gram M Select WARM lightweight insulation offers superior warmth without the bulk.
  • The boots feature Kinetic Fit TRI removable contoured insole that provides gentle support to all three arches of the foot.
  • The Q FORM 2 dual-density midsole is engineered specifically for women to provide natural alignment and superior comfort.

Practical and Functional Design

You can't overlook the practical design of these boots. They have a full grain leather and mesh upper, offering durability and breathability. The boots also feature a Bellows tongue that keeps debris out, ensuring your comfort during all your adventurous treks.

The Finishing Touch: Aesthetic Appeal

Practicality and functionality aside, these boots have a winning aesthetic appeal. The tobacco colour gives them a versatile look that pairs well with almost any winter outfit. In addition, the side zip design not only adds to the style but also makes it easy to wear and remove the boots. The Merrell Siren 4 Thermo Mid Zip WP Women in tobacco are the perfect blend of form and function.

Note: This text was created with the help of AI.

Pros and cons

Pros

  • Dry feet with M Select DRY
  • 200g M Select WARM insulation
  • Supportive Kinetic Fit TRI insole
  • Women-specific Q FORM 2 midsole

Cons

  • Not suitable for non-winter conditions
  • Side zip may vary in durability

Note: This text was created with the help of AI.

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2 Variants from £125.99

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Merrell Siren 4 Thermo Mid Zip Wp Hiking Boots Brown EU 42 Women

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With 25 years of Merrell´s women´s-specific fit, the Siren 4 Thermo is uniquely engineered to cradle the distinct contours of female feet, providing comfort, support, and stability even on the longest hikes with 200 grams of added insulation for warmth and protection.Now equipped with SOLARCORE® insulation, lightweight insulation material initially designed for NASA, you never have to worry about warmth.The all-new medial zipper provides easy on/off, a new improvement made directly from customer feedback.Merrell waterproofing on the upper will keep your feet dry.With Vibram IceTrek underfoot, traction remains consistent under the wettest, most slippery conditions.For the first time ever incorporating Vibram traction lug for enhanced grip on uneven terrain.Features and Benefits:- Waterproof membrane seals out water and lets moisture escape.- Waterproof full grain leather and knit upper.- 100% recycled laces and webbing.- Heavy-duty, Waterproof, YKK medial zipper for easy on and off.- Be
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