Merrell Coldpack 3 Thermo Tall Zip waterproof Earth J037201 Size:11M Contoured Insole Material Polyurethane canvas covered Contoured Insole Material Polyurethane canvas covered Lining Canvas Metatarsal Support Yes Orthotic Friendly Yes Outsole Flexible The same out of the box comfort you love from our original Encore Collection Best for: Winter CasualInsulation:200 grams synthetic lightweight YKK zipper for easy on and off• Protective and abrasion resistant rubber toe cap• Cleansport NXT™ treated for natural odor control• Merrell Air Cushion in the heel absorbs shock and adds stability• Molded nylon arch shank• Super Rebound Compound midsole provides durable shock absorption to help reduce torque and allow for a smooth transition into the midfootMaterials:• Waterproof full grain leather and mesh upper• 100% recycled webbing• 100% recycled fleece lining• 100% recycled mesh footbed cover• 5% recycled PU removable footbed