The Hotronic Heat-Ready Insoles are designed for winter sports enthusiasts, specifically catered towards skiing and snowboarding. These insoles provide extra warmth and protection during cold weather conditions, making them an essential piece of gear for staying comfortable and efficient on the slopes. Although discontinued, these multicolor insoles from Hotronic are a reliable and high-quality option for winter sports enthusiasts. These are for older model Power plus heating elements not XLP and can be cut to size.