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ideal for close fitting shoes
while still allowing users to add the range extender if even longer rides are desired
Zipped inside chest pocket
Get into the flow and experience an effortless run
Merrell Siren 4 Thermo Mid Zip Waterproof Womens Walking Boots - Brown BackInStock-03-03-2026 ideal for close fitting shoesWith 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 200 grams of added insulation for warmth and protection. Now equipped with SOLARCORE insulation, lightweight insulation material initially designed for NASA, you never have to worry about warmth. The all new medial zipper provides easy on off,
