These men's Birkenstock slippers are made of high-quality Fettnubuck leather and have a comfortable leather interior. The original Birkenstock insole is covered with leather and provides optimal support for the feet. The slippers have a sporty look and offer high wearing comfort, thanks to the square shape that allows for better fit and comfort for the toes. They are ideal for wider feet, with an adjustable buckle for easy putting on and taking off.