Brand: SUBU Model Number: SB-141 Size: 22-23.5cm Color: Navy Material: Upper/Polyester Sole/Synthetic rubber Used once indoors. ≡Product Description≡ These are unprecedented autumn/winter sandals that can be worn barefoot when you quickly go out in the cold season. Made with flame-retardant CORDURA 305D material for the outer fabric, these are the perfect pair for camping. With the warmth of down, they wrap your bare feet, and the brushed inner fabric and 4-layer insole create an outstanding fit for the entire foot, providing a gentle wearing experience.