Rubber sole1.QUALITY MATERIAL-Soft lining with breathable mesh upper material . Lightweight and flexible to support natural foot movement as well.2.UPGRADE DESIGN-Unique and lovely half closed toe design, which provides more protection for kids'little feet, and offer more breathable and comfortable for baby at the same time.3.EASY ON&OFF-Hook and loop can be adjusted to the most suitable position for the baby to wear up and down. The most important thing is to keep the baby's feet.4.ANTI-SLIP RUBBER SOLES-Anti-Slip Rubber Sole with Anti-skid to keep baby safe when start to walking your baby's feet and perfect for toddlers starting to walk.5.BUY WITH 100% CONFIDENCE-If you have any dissatisfaction, please contact us, 100% satisfaction guarantee zero hassle return-return for any reason.