The sleepless Felt Slippers are light weight and take up little space which is incredibly practical; the perfect travel slippers. Made of 2mm thick RPET felt, they are perfect in every place where they can be used. Easy to wear and they adapt to any size. Breathable and warm. It comes with 2 sizes of 10 (27cm) for Men's and 8 (24.5cm) for women's.