MERRELL

Women’s Siren 4 Thermo Mid Zip Boot

Name: Women's Siren 4 Thermo Mid Zip Boot
SKU: 250221194
Availability: InStock

$250.00

Engineered for women’s feet, the Merrell Siren 4 Thermo delivers waterproof protection, NASA-inspired SOLARCORE® insulation, and Vibram® IceTrek traction, making it the ultimate winter hiking boot for warmth, grip, and comfort in icy conditions.

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SKU: 250221194

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Product details


Fit	25 years of women’s-specific fit, engineered for comfort and stability
Insulation	200g Primaloft® Gold Eco + SOLARCORE® Aerogel insole for superior warmth
Waterproofing	Waterproof full-grain leather upper + waterproof membrane to seal out moisture
Traction	Vibram® IceTrek outsole for grip on icy/snowy surfaces + Vibram® traction lugs
Closure	Medial waterproof YKK zipper + bellows tongue for easy on/off and debris protection
Comfort & Support	FloatPro™ Foam midsole, rubber toe cap, and internal steel shank for stability
Odor Control	Cleansport NXT™ treatment for natural odor resistance
Materials	100% recycled laces, webbing, fleece lining, mesh footbed cover; 5% recycled PU footbed
Measurements	Shaft height: 150mm (5.91”), Lug depth: 5mm, Drop: 8mm, Stack height: 28.5–20.5mm
Weight	540g (1 lb 3 oz) per half pair
Best Use	Winter hiking, cold-weather outdoor activities