UPPER/LINING
• Full grain leather upper

• Protective rubber rand and toe cap

• Waterproof Membrane provides impermeable barrier

• Fleece Lining treated with Aegis® antimicrobial solution

• 200 grams of PrimaLoft® Insulation

• ColdProof™ Ortholite® Insulating Footbed

MIDSOLE/OUTSOLE
• ActiveHeat™ Insole with silver reflective film between insulating polyester layers

• Molded nylon arch shank

• Compression molded EVA footframe provides cushioning

• Merrell® air cushion in the heel absorbs shock and adds stability

• 5 mm Sole lug depth with surface siping

• Merrell Winter City Outsole

• Comfort Range to -40F/-40C