Siren 4 GTX Women's Hiking Shoe
Merrell

Siren 4 GTX Women's Hiking Shoe

Size: 5
Sizing guide

Size Conversion Chart

Fit note: Sizing can vary slightly by brand and style. If you’re between sizes, we usually recommend going up half a size.

Wide fit: Wide fit options are available in selected styles.

EU UK US (Men) US (Women)
36 3 — 5
37 4 — 6
38 5 — 7
39 6 7 8
40 6.5 7.5 8.5
41 7 8 9
42 8 9 10
43 9 10 11
44 9.5 10.5 11.5
45 10.5 11.5 12.5
46 11 12 13
47 12 13 14

Need help? Message us and we’ll recommend the best fit based on your foot width and support needs.

 

Find Your Perfect Fit (It’s Not Just Size)

Most people think they need a bigger size…
but in reality, they need a wider fit.

Understanding Shoe Widths

Width What It Means How It Feels
F Narrow Snug, slim fit
G Standard Comfortable for most
H Wide More room across the foot
K Extra Wide Maximum space & comfort

👉 Quick tip:
If your shoes feel tight at the sides—but long enough—you likely need a wider fit.

 

Colour: Monument
Size guide →
Sale price€80.00 Regular price€150.00
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Merrell Siren 4 GTX Women’s Hiking Shoe

Built for Adventure. Engineered for Women.

Designed with 25 years of women’s-specific fit expertise, the Merrell Siren 4 GTX is built to support the unique contours of female feet, delivering exceptional comfort, stability, and durability on every trail. Whether you're tackling rugged terrain or setting out on a long-distance hike, this waterproof hiking shoe is your ultimate adventure companion.

Why Choose the Merrell Siren 4 GTX?

✅ Waterproof & Breathable – Featuring a GORE-TEX® membrane, this shoe seals out moisture while allowing airflow, keeping your feet dry in any condition.
✅ Lightweight Comfort – The FloatPro™ Foam midsole offers long-lasting cushioning without adding weight, making every step feel effortless.
✅ Superior Grip & Traction – The Vibram® TC5+ outsole provides unbeatable grip, with 5mm lugs designed to shed debris and enhance stability on rocky or slippery trails.
✅ Durable & Protective – With a protective rubber toe cap, a bellows tongue to keep out debris, and a rock plate for underfoot protection, this shoe is built for the toughest hikes.
✅ Eco-Friendly Materials – Made with 100% recycled laces, webbing, mesh lining, and footbed cover, the Siren 4 GTX is vegan-friendly and designed with sustainability in mind.

Perfect for:

✔️ Day hikes & multi-day treks
✔️ Wet & muddy conditions
✔️ Lightweight backpacking
✔️ Outdoor enthusiasts who demand performance & comfort

Specs:

  • Weight: 325g per shoe (half pair)
  • Drop: 8mm | Stack Height: 28.5-20.5mm
  • Lug Depth: 5mm

Conquer Any Trail with the Merrell Siren 4 GTX

Stay dry, comfortable, and supported with every step. Whether you're hiking through the Irish countryside or exploring new trails, this is the shoe that keeps up with your adventure.

Shop now and experience the difference!

 

Specialist Fit & Comfort Promise

Every product is selected or fitted to reduce stress on feet, knees, hips and back.

Trusted Quality Only

We only stock products we would confidently recommend to our own patients and families.

Quality You Can Trust

Produced in certified facilities with strict quality control for peace of mind.

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