Famaco Insoles Winter Plus Ultra Warm: bring extra softness and warmth to your shoes during long winter days. Made of naturally tanned lambskin, these soles bring extra comfort and warmth to your feet. Their upper and top are made of lambskin, offering a natural softness and warmth. The Winter Plus Ultra Warm soles are designed to improve the support and comfort of shoes, while offering optimal breathability. They are available in two sizes: 19 and 31, indicated on the packaging with a silhouette of two people walking side by side. The insoles Winter Plus Ultra Warm are ideal for people who want to bring a touch of comfort and warmth to their shoes during cold periods.