adidas adizero Club K Junior White/Glow Blue/White Junior Tennis Shoes : The very best for up-and-coming players, the adidas AdiZero Club K junior tennis shoes feature quality materials and impressive technologies. These lightweight shoes feature 360 Climachill cooling for the whole foot and an EcoOrthoLiteA(R) sockliner for underfoot comfort. An adiWEAR outsole provides unmatched durability and traction in high-wear areas. Upper: Features a blend of mesh with textile and synthetic upper materials. A soft, stretchable tongue offers a comfortable fit. Lace-up front offers an adjustable fit. Midsole: EcoOrthoLiteA(R) sockliner for underfoot comfort and performance. Outsole: adiWEAR 6 outsole provides optimum durability.