Flexible, water-repellent material along the toes and sides help keep the mud and rain out allowing for all-day play Woven "L" and "R" tags on the handles let them know which boot is for each foot In-Shoe Comfort: Foam pod in the heel helps keep tiny feet secure Durability & Traction: Rubber outsole with a traction pattern inspired by monster truck tires gives them the grip they need for playgrounds, sidewalks and muddy fields Grippy, flexible outsoles and handles