- Size: 42 • Say goodbye to cold feet with our insulating insoles designed to keep your feet warm all winter long. • The natural cork and breathable sheep wool help regulate the temperature inside your shoes, preventing your feet from feeling too hot or cold. • The bottom of the insoles is made of cork, which helps absorb impact while you walk, run, or jump, providing extra protection for your feet. • Enjoy optimal comfort thanks to the soft materials that provide excellent cushioning and relieve pressure on your feet. • Made with top-quality materials and expert manufacturing processes, these insoles offer exceptional durability, ensuring their use for several winters. • Available in sizes ranging from 36 to 46, fitting a wide variety of footwear.