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![Load image into Gallery viewer, Merrell Women's Siren 4 Thermo Mid Zip Waterproof Boot](http://www.campmor.com/cdn/shop/files/b_3af51a3c-ecf7-423a-b11a-385626548a92_400x@2x.jpg?v=1699644187)
![Load image into Gallery viewer, Merrell Women's Siren 4 Thermo Mid Zip Waterproof Boot](http://www.campmor.com/cdn/shop/files/c_3c4cddfb-0f64-433b-95c1-deb8548b4645_400x@2x.jpg?v=1699644180)
![Load image into Gallery viewer, Merrell Women's Siren 4 Thermo Mid Zip Waterproof Boot](http://www.campmor.com/cdn/shop/files/d_7b0a8a0b-101b-4464-97e3-7345461429f8_400x@2x.jpg?v=1699644161)
![Load image into Gallery viewer, Merrell Women's Siren 4 Thermo Mid Zip Waterproof Boot](http://www.campmor.com/cdn/shop/files/e_6894a694-137b-4194-a110-87c507910a2a_400x@2x.jpg?v=1699644173)
![Load image into Gallery viewer, Merrell Women's Siren 4 Thermo Mid Zip Waterproof Boot](http://www.campmor.com/cdn/shop/files/f_66dc18ce-80b9-46a0-b115-018c45263073_400x@2x.jpg?v=1699644167)
A winter-ready boot with a women's-specific fit that combines function and all-day wear-ability.
Best for: Winter Hike
Insulation:
200 grams Primaloft® Gold Eco Series synthetic insulation. Solarcore® Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra-thin.
Waterproofing: Waterproof full grain leather upper, complete with a waterproof membrane seals out water and lets moisture escape.
Traction: Vibram® Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfaces.
Comfort Features:
• Heavy-duty, Waterproof, YKK zipper for easy on and off
• Protective and abrasion resistant rubber 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 laces and webbing
• 100% recycled fleece lining
• 100% recycled mesh footbed cover
• 5% recycled PU removable footbed
Additional Measurements:
• Stack Height: 28.5-20.5mm
• Drop: 8mm
• Lug: 5mm
• Half pair weight: 1lbs-3.04oz, 540g
Insulation:
200 grams Primaloft® Gold Eco Series synthetic insulation. Solarcore® Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra-thin.
Waterproofing: Waterproof full grain leather upper, complete with a waterproof membrane seals out water and lets moisture escape.
Traction: Vibram® Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfaces.
Comfort Features:
• Heavy-duty, Waterproof, YKK zipper for easy on and off
• Protective and abrasion resistant rubber 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 laces and webbing
• 100% recycled fleece lining
• 100% recycled mesh footbed cover
• 5% recycled PU removable footbed
Additional Measurements:
• Stack Height: 28.5-20.5mm
• Drop: 8mm
• Lug: 5mm
• Half pair weight: 1lbs-3.04oz, 540g
Customer Reviews