Size: 23.0 - 24.5 cm These slippers are fluffy because they have a quilted core. The soles are made of canvas, making them durable. How about these for protection against the cold from air conditioning in the coming season? Please be aware that friction or getting wet may cause color transfer or fading to other items. Hawaiian fabric may have some color unevenness, fading, blurring, slight dye spots, or color transfer. Occasionally, there may be neps (fiber knots), but please understand. Please purchase with the understanding that this is a handmade product. When shipping, we will take waterproof measures. When shipping, we often compress the item, which may cause wrinkles or creases, but please understand.