Blending modern winter style with classic hiking appeal, the women's Merrell Isotherm Mid waterproof winter boots are built to help keep your feet warm in frigid conditions.
Full-grain leather uppers feature thermoplastic urethane half-shells to provide exceptional protection against extreme conditions
Spun wool collars combine winter performance with easy-going style
Heel snowshoe strap ridges and front gaiter D-rings enhance wintertime functionality
Lace-up design with heel loops offers a secure fit; bellowed tongues keep out debris and snow
Waterproof, breathable membranes let feet breathe while protecting them from the elements, keeping feet dry and comfortable
200g PrimaLoft® polyester fiber insulation boosts warmth; boots are comfort rated to -25°F
Linings are treated with AEGIS Microbe Shield® to deter odors
Removable Ortholite® insulating footbeds add cushioning, additional odor control and insulation
Insoles have reflective silver film sandwiched between insulating polyester layers to prevent conductive heat loss to the ground
Compression-molded EVA midsoles and Air Cushion heel air pods cushion feet; molded nylon arch shanks supply support
Q-Form® alignment system provides women with a precise anatomic fit for superb, tailored comfort
Merrell Isotherm Mid waterproof winter boot outsoles feature 6mm lugs and a winter-specific rubber compound for excellent performance across snow, ice and slush
Temperature ratings are approximate based on high activity levels and can be affected by many conditions, including weather, wearer's activity level, fitness, metabolism, perspiration, circulation, exposure time, clothing and cold sensitivity.