Rubber sole2. SAFETY MATERIAL These baby sandals are made of breathable material and support healthy foot development for early walkers and babies learning to walk.3. ANTI-SLIP These baby boy sandals have good traction to prevent slipping or sliding. Closed-toe sandals and shoes are your best bet during summer.4. ADJUSTABLE CLOSURE Hook and loop closure make our infant sandals EASY ON AND OFF. They also have a slight padding to the insole, nice and cushy for little feet.5. PERFECT FOR SUMMER These baby summer shoes are nice gifts for newborn first walking babies. And they are perfect for any outfits, such as church dresses, daycare etc.6. BUY WITH REST ASSURED If you are anything not satisfied, please contact us and we will take care of you.