Mocc Ons! These moccasin style slipper socks have high quality washable leather soles which are stitched to a soft stretch cotton sock. Perfect for keeping warm and cozy. So comfortable - little feet just love them! Mocc Ons are funky, practical, fashionable and washable! Indoor use only. Material(s) - Sole: 100% Leather; Sock: 88% Cotton, 11% Polyamide, 1% Elastane. Sides: 61% polyester, 39% cotton fabric covered with 100% polyurethane.