• Material - shell: 100% natural rubber • Material - lining: 100% polyester • Waterproof • High shaft • Tested for slip resistance on wet and dry surface making sure your child keeps a good grip • Tested for flexing of the sole to guarantee, the soles do not splitSIZE & FIT • Big to size. • Please check the size guide to make sure, you pick the right sizeOUR RECOMMENDATION • For transitional wear, add an extra wool sole to create warmth and enhance comfort • Store the rain boots in a dark place away from direct sunlight