adidas Vigor Tr Running Shoe (Little Kid/Big Kid) 100% Synthetic and mesh Synthetic sole Fast and agile, this kids' trail runner has a sleek look with a cool design on the heel. Mud-release surface on the outsole for major grip action. OrthoLite sockliner provides long-lasting cushion with antimicrobial protection and moisture management. Molded EVA midsole with adiPRENE in heel for comfort and shock absorption. Non-marking rubber outsole with adiWEAR technology for extra durability in high-wear areas. adiFIT