Wool blend or microsuede upper with cozy furry lining.Soft and cozy natural wool blend footbed.Energy Return insoles feature high-density foam and energy return pellets that provide comfort and bounce with each stepNew versatile and lightweight Colorado outsole uses sustainable and eco-friendly thermoplastic rubber blend.Durable, skid resistant, indoor/outdoor outsole.Slip on silhouette for easy on/off. China Imported Material & Care Polyester Machine washable