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Merrell
Siren 4 Thermo Mid Zip WP Boot - Women's

4.1861702127659575 out of 5 stars
188 Reviews

Out of Stock

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Why We Like The Merrell Siren 4 Thermo Mid Zip WP Boot

When we won't let winter interrupt our hiking addiction, we slip into the Merrell Siren 4 Thermo Mid Zip WP Boot to keep from slipping and sliding on the trail. This winter hiking boot is snowproof with its waterproof membrane and full-grain leather uppers, and it's built to keep our feet warm with 200g Primaloft Gold Eco insulation packed inside. Snow and ice would keep us inside, either, thanks to Vibram Arctic Grip rubber outsoles, which are made for cold and slippery winter conditions. Made with a women-specific fit, the Siren 4 Thermo lets us enjoy 4-season hiking with warm feet and good grip on snowy and icy surfaces.


Details

  • Insulated winter hiking boots with a women-specific fit
  • Leather uppers are durable and weather resistant
  • Proprietary membrane adds breathable waterproofing
  • Medial zippers make boots easy to slip on and off
  • 5mm lugs dig into snow for better traction
  • Moderate 8mm heel to toe drop cushions our heels
  • Protective toe cap to prevent stubbed toes
  • Cleansport NXT treatment for odor control
  • Item #MERZ2TH
Responsible Collection
Recycled/Repurposed
Upper Material
full-grain leather, synthetic knit
Waterproofing
Merrell Dry
Insulation
200g PrimaLoft Gold Eco (recycled polyester)
Lining
100% recycled fleece
Closure
lace, zipper
Footbed
PU, Solarcore Aerogel
Midsole
FloatPro Foam
Sole
Vibram Arctic Grip
Shaft Height
ankle
Claimed Weight
[single] 1lb 3oz
Manufacturer Warranty
limited lifetime
Activity
winter hiking, casual
Person wearing Merrell hiking boots balancing on sandstone ledge in red rock desert with red spires in the background.

Made To Move You Outside

Merrell began when Randy Merrell deconstructed a cowboy boot and hand-built the Wilderness in 1981, then spent 45 years evolving into a reliable, go-anywhere outdoor brand.

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Women's Winter Boots

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