100g insulation. These Sorel boots are designed for winter wear, offering warmth and protection. The Explorer II Carnival Cozy WP features a stylish design suitable for adult wearers. Key features: - 100g insulation for warmth - Waterproof construction for protection against the elements - Cozy lining for added comfort - Durable outsole for traction and stability - Fashionable design suitable for everyday wear in cold weather.