• Warming system: 200g 3M Thinsulate keeps your feet warm and dry even when the temperature is -25F. 3M Thinsulate provides about 1½ times the warmth of down and about twice the warmth of other high-loft insulation materials，when equal thicknesses are compared.
• Waterproof material: Men snow boots features waterproof construction for waterproof & windproof，and synthetic toe cap for anti-collision.
• Durable & slip resistant: The sick rubber outsole is more stable，slip & abrasion resistant，and flexible response to various outdoor terrain.
• Perfect for outdoor & indoor: Designed for both daily life in winter and outdoor sports like skiing, snowmobiling, ice fishing, outdoor party, and so on.
• What you get: our worry-free warranty and friendly customer service, NORTIV 8 is an American brand that aims at providing high-quality outdoor shoes.