- Size: 40 - TIESTRA sheep wool insoles, size 40 EU, beige color, designed to keep feet warm during cold days and nights - Thermal and spongy material that provides insulation and protection against the cold from the ground - Extra soft and comfortable, enhance the walking experience and shoe fit - Durable and lightweight, ideal for all types of winter footwear: boots, sneakers, and flats - Suitable for men and women, adaptable to different foot types - Help maintain temperature and comfort in cold climates - Easy to insert and remove, provide comfort with every step