WARM & COZY Help them kick off winter the right way with ultra-warm boots featuring 200g insulation, waterproof rubber sole for no-slip traction, and a cozy fleece lining. MIDSOLE: 2.5 mm bonded felt frost plug. OUTSOLE: Injection molded waterproof thermal rubber shell with multi-directional lug outsole for enhanced traction. UPPER: PU backed synthetic textile upper. Fleece lining. INSULATION: 200g insulation.