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  1. Home
  2. Women
  3. Shoes
  4. Siren 4 Thermo Chelsea Waterproof (J037418)
58348W

Women's Siren 4 Thermo Chelsea Waterproof

Sale Price $109.99 Sale Original price: $160.00
2025-05-30T21:56:40.399Z 2026-05-30T21:56:40.399Z USD 109.99 10999
InStock

Images

Siren 4 Thermo Chelsea Waterproof, Black, dynamic 1
Siren 4 Thermo Chelsea Waterproof, Black, dynamic 2
Siren 4 Thermo Chelsea Waterproof, Black, dynamic 3
Siren 4 Thermo Chelsea Waterproof, Black, dynamic 4
Siren 4 Thermo Chelsea Waterproof, Black, dynamic 5
Siren 4 Thermo Chelsea Waterproof, Black, dynamic 6

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Siren 4 Thermo Chelsea Waterproof, Black, dynamic 1
Siren 4 Thermo Chelsea Waterproof, Black, dynamic 2
Siren 4 Thermo Chelsea Waterproof, Black, dynamic 3
Siren 4 Thermo Chelsea Waterproof, Black, dynamic 4
Siren 4 Thermo Chelsea Waterproof, Black, dynamic 5
Siren 4 Thermo Chelsea Waterproof, Black, dynamic 6

Final Sale

Sizes and colors are limited and cannot be exchanged or returned

Details

https://www.merrell.com/US/en/siren-4-thermo-chelsea-waterproof/58348W.html Merrell 58348W Shoes women women-footwear Boots Boots / Women false 195019476691

Women's Siren 4 Thermo Chelsea Waterproof

Sale Price $109.99 Sale Original price: $160.00
2025-05-30T21:56:40.455Z 2026-05-30T21:56:40.455Z USD 109.99 10999
InStock

Variations

Black
J037418
Select a Color : Black
    On Sale
    • Black

Variations

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Size
Size Chart

Size Guide

Women's Footwear Size Chart
US
Women's Size
UK EU JPN (cm) US
Men's
Conversion
5 2.5 35 22 3.5
5.5 3 35.5 22.5 4
6 3.5 36 23 4.5
6.5 4 37 23.5 5
7 4.5 37.5 24 5.5
7.5 5 38 24.5 6
8 5.5 38.5 25 6.5
8.5 6 39 25.5 7
9 6.5 40 26 7.5
9.5 7 40.5 26.5 8
10 7.5 41 27 8.5
10.5 8 42 27.5 9
11 8.5 42.5 28 9.5
11.5 9 43 28.5 10

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Person running a hiking trail in a pair of Antora 3 boots.
MADE FOR:
Winter Hike
TRAIL TYPE:
Moderate

A winter-ready boot with a women's-specific fit that combines function and all-day wearability.

INSULATION RATING:

  • Warm
  • Warmer
  • Warmest

Waterproof exteriors and 100 grams of insulation will keep you dry and warm for your typical cold-weather winter activities.

  • 100G Primaloft® Insulation
  • Waterproof
  • Vibram® Icetrek
Weight per shoe:
14.45 oz
Drop:
8 mm
Lug:
5 mm
  • 100 grams Primaloft® Gold Eco Series synthetic insulation
  • Waterproof full grain leather upper, complete with a waterproof membrane seals out water and lets moisture escape
  • Vibram® Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfaces
  • Protective and abrasion resistant rubber heel and toe cap
  • Cleansport NXT™ treated for natural odor control
  • FloatPro™ Foam midsole for lightweight comfort that lasts
  • Waterproof full grain leather and knit upper
  • 100% recycled pull tab webbing
  • 100% recycled fleece lining
  • 100% recycled mesh footbed cover
  • 5% recycled removable PU footbed

Traction

Vibram® Icetrek All Terrain outsole

Close-up of a Merrell Trail Gloves.

Easy on

Dual pull tabs for easy on and off

  1. Home
  2. Women
  3. Shoes
  4. Siren 4 Thermo Chelsea Waterproof (J037418)
Details

A winter-ready boot with a women's-specific fit that combines function and all-day wear-ability.

Best for: Winter Hike
Insulation:
100 grams Primaloft® Gold Eco Series synthetic insulation. Perfect for commutes and short trips outside, these shoes will keep you warm without overheating your feet.
Waterproofing: Waterproof full grain leather upper, complete with a waterproof membrane seals out water and lets moisture escape.
Traction: Vibram® Arctic Grip™ All Terrain outsole designed to effectively extend the winter traction season, due to the enhanced durability and versatility.

Comfort Features:
• Protective and abrasion resistant rubber heel and toe cap
• Cleansport NXT™ treated for natural odor control
• FloatPro™ Foam midsole for lightweight comfort that lasts

Materials:
• Waterproof full grain leather and knit upper
• 100% recycled pull tab webbing
• 100% recycled fleece lining
• 100% recycled mesh footbed cover
• 5% recycled removable PU footbed

Additional Measurements:
• Stack Height: 28.5-20.5mm
• Drop: 8mm
• Lug: 5mm
• Half pair weight: 0lbs-14.45oz, 410g
• Disclaimer: This product will not prevent slipping on every surface and does not replace the use of crampons or spikes. This product is not intended for use on, and may harm, indoor surfaces. Please remember to use common sense first and always tread with care.
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