These womens healthy gray leather slippers are designed in a way to allow for great comfort. It's like a science the way these slippers have been manufactured because leather requires special care. To help along these slippers have ventilation built in which not only allows for the ventilation but keeps the feet healthy via aeration. Leather is a costly substance but in this case the careful design and manufacturing makes these slippers affordable and you can buy multiple pairs and give them out as gifts to friends or family. Just one walk around the house with these slippers and you'll be solid on their excellence.