In-Shoe Comfort: On adapted their signature CloudTec(R) to activate at lower weights so kids can experience soft landings and powerful take-offs Extrasoft TPU Speedobard(R) is lightweight and pliable which energizes each step for maximum movement Additional Details: Recycled content: - Total recycled content: about 28% - Polyester: about 80% recycled Heel To Toe Drop - 6 mm