These slippers are made up of high-quality Materials. Comfort: Flexible sole and soft lining provide extreme comfort and absorb sweat. These flip flops are designed for both men. You can use them both indoors and outdoors. The insole of this men's flip flop is ergonomically designed, and its excellent elasticity can better fit the feet, flexible and comfortable, and reduce the burden of walking. Feel comfortable, relaxed and free in any environment.