Specification: Features: *High-quality material: Made of high-quality material, the wool is fine and dense, comfortable and warm, keeping your feet warm all day in winter. *Winter Warm Insole: Sweat-absorbing, waterproof, breathable and comfortable, warm and non-slip, perfect for providing gentle warmth to your feet on snow or wet and cold winter days. * Warm and comfortable: Suitable for protecting and relaxing the heel, relieve the pressure brought by high heels to the feet. Make your feet comfortable. *Wide range of application: suitable for sports shoes, flat shoes, high heels, slippers, cotton shoes, leather shoes, boots, work shoes, etc. *Great Gift: This winter insole is a great gift for relatives, friends, colleagues on Christmas, Thanksgiving, Birthday, Halloween, Valentine39;s Day and other festivals. Notice: *Actual color may be slightly different from the image due to different light effect *Please allow 1-3cm deviation due to manual measurement *Asian size is smaller than eu/us/uksize,please compare the detail sizes before purchasing. Description: Material: Alpacas Felt Size: 35-45 Package List: 1 pair x Insole