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Description

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 added insulation for warmth and protection.

Features:

  • 100% recycled fleece lining for added warmth
  • Protective rubber toe and heel for durability and protection
  • Waterproof membrane seals out water and lets moisture escape
  • Bellows tongue keeps out debris
  • Waterproof full grain leather and wool upper
  • 60% recycled laces
  • Bungee lace with toggle closure for a secure fit
  • 200 grams Primaloft® Gold Eco Series synthetic insulation
  • Rock plate for protection

Specifications:

  • Advanced Features: No Advanced Features
  • Advanced Technology: M Select™ Fit, M Select™ Grip, M Select™ FRESH, Kinetic Fit™ BASE
  • Boot Type: Ankle boots
  • Care Instruction(s): Wipe with Dry Cloth for dirt
  • Certifications: No Certifications
  • Closure Type: Lace Up
  • Fill/Insulation Type: Down
  • Insole Material: EVA
  • Midsole Material: Foam
  • Product Use(s): Hiking, Outdoor, Winter Boots
  • Product Weight (g): 231 g
  • Product Weight (kg): 0.24 kg
  • Product Weight (lb): 240 g
  • Product Weight (ml): 231 ml
  • Product Weight (oz): 8.1483 oz
  • Shoe Width: Medium
  • Snow Flake Rating: Not Applicable
  • Upper Material(s): Leather, Nubuck Leather

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