Suyasu Women's Indoor Thermal Socks Heel moisturizing, warm socks (Color/Design) Shimaenaga (Long-tailed Tit) - Light Blue Size: 23-25 cm The heel part (inside) has silicone material mixed with moisturizing ingredients and fragrance. Moisturizing care for your heels while wearing *The fragrance is not permanent. Please be aware of this. This item is perfect for the season when you are concerned about coldness and dryness. Q-lia Warmer Goods, Cute Socks, Moisturizing, Moist, Shimaenaga Warm Color...Blue系 (Blue-based)