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This Isotherm helps you pack in the fun with its compact, insulated and waterproof design and sports fun feminine details to make you feel like a snow queen. A waterproof membrane and a team of Polartec® and PrimaLoft® insulation combine with supportive, cold-combating sole technology to keep your feet dry, warm and comfortable all day.

UPPER/LINING
• Nubuck leather and pig suede upper
• TPU waterproof shell
• Bellows tongue keeps debris out
• Gaiter D-Ring
• Snowshoe strap ridge
• Waterproof Membrane provides impermeable but breathable barrier
• Spun wool collar
• Polartec® 200 Fleece Insulation Lining with Aegis® Antimicrobial Treatment
• 200 grams of PrimaLoft® Insulation
• Ortholite® Anatomical Footbed


MIDSOLE/OUTSOLE
• ActiveHeat™ Insole with Silver Reflective Film for added warmth
• Ortholite® Anatomical Footbed
• In-Board™ Compression Molded EVA Footframe with Grade 2 Nylon Insole absorbs impact for trail hiking
• QForm® Comfort EVA midsole provides women’s specific stride-sequenced cushioning
• Merrell Air Cushion in the heel absorbs shock and adds stability
• 6mm Sole lug depth
• Vibram® Thermo Sport /Trek Dura Rubber
• Comfort Range to -25F/-32C

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