Grey No Heels Thermal Winter Socks For Women. No heels knitted Mid Calf Length Socks for Women. Fits feet size 3uk to 7uk comfortably. Ultra Soft and Warm, Suitable for mild to extreme cold. No heels design snuggles the feet, perfect for winters. No Joints, no floating yarns, comfortable all day use indoors and outdoors. Superior Elasticity, one size fits all.