Heat Holders Women's Primrose ORIGINAL™ Twist Crew Sock - Great for cold weather - 7x Warmer Than Cotton with Advanced Thermal Yarn - Warm + Soft, Great for Outdoors + Cozy at Home | الدنيم / كريم / 5-9
Heat Holders® were developed by our talented product development team in house. The challenge was to make a sock that would be the warmest sock ever and comfortable and practical to wear in daily life. It wasn't easy, but our team came up with Heat Holders® in 2008.