• Super warm: the lambswool insole is very warm and comfortable to wear, it will keep your feet warm all day long, ideal for winter boots and other shoes. • Arch support: the lambswool insole has the function of arch support while remaining warm and comfortable, which can make you walk and stand more comfortably, making it very suitable for people who need to stand for work. • Super breathable: lambswool is a high-quality natural breathable material, and the insole made is also breathable, keeping your feet dry all day. • Scope of application: suitable for various types of shoes. Especially in the cold winter, lambswool insoles are a great choice for you.