Quick Summary
The Merrell Siren 4 Thermo Mid Zip WP is a women’s mid boot in Hazel, size UK 6. It is a waterproof boot with a full grain leather and knit upper, a waterproof membrane, and a medial YKK zipper for easier on and off.
The boot also includes 100% recycled fleece lining, 200 g Primaloft Gold Eco Series synthetic insulation, a SOLARCORE Aerogel insole, a FloatPro Foam midsole and a Vibram Icetrek outsole.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Merrell. Useful for matching the exact family and preferred fit. |
| Model | Siren 4 Thermo Mid Zip WP. Keep the full model name in mind when comparing offers. |
| Type | Women’s mid boot. Check that this style suits the intended use and height. |
| Colour | Hazel. Confirm the colour before choosing an offer. |
| Size | UK 6. Size is an important fit check for footwear. |
| Upper | Full grain leather and knit upper with a waterproof membrane. |
| Closure | Medial YKK zipper with bellows tongue. |
| Lining and insulation | 100% recycled fleece lining and 200 g Primaloft Gold Eco Series synthetic insulation. |
| Insole | SOLARCORE Aerogel insole. |
| Midsole | FloatPro Foam midsole. |
| Outsole | Vibram Icetrek outsole with traction lugs. |
What to Compare Before Buying
- Fit: This is a UK 6 women’s boot, so check the size and intended fit carefully before choosing an offer.
- Weather protection: The boot is described as waterproof, with a membrane and zipper detail designed to keep water out. Compare that with the conditions you want to wear it in.
- Warmth features: The lining, insulation and insole are all named in the product. Compare those details if warmth is important to you.
- Outsole: The Vibram Icetrek outsole and traction lugs are part of the design, so check that the sole style matches the ground conditions you expect.
Compatibility, Size and Fit
This boot is a women’s mid boot in Hazel, size UK 6. Footwear fit can vary by brand and style, so check the stated size against the fit you need before choosing an offer. The medial zip and bellows tongue are part of the design, which is useful to note if you prefer a boot that opens more easily for putting on and taking off.
Before You Decide
Confirm the women’s size UK 6, the Hazel colour and the full Siren 4 Thermo Mid Zip WP model before you choose an offer. If warmth, waterproofing or outsole grip are important to your decision, compare those named features against the conditions you expect to face.
