Function: gel heel socks are designed to moisturize, soften and smooth dry skins, treat heel cracks and prevents skin chapping, make your feet look fresh and nourishingToeless design: open toe gel socks with good air permeability is good for keeping your feet cool and dry from sweat in summer, comfortable and breathable to wearBuilt-in gel pad: with moisturizing gel in heel part of socks, it is washable and durable for repeated use; Paired with foot cream will get better moisturizing effectWork day and night: gel socks work well even when you rest or sleep, suitable for people who stand for long period or women who often wear high heel shoes for long timeAlternate use: package contains 4 pairs of heel moisturizing socks, enough for your replacement in daily life; 1 Solid colors: black, 4 pairs