Wilson Envy JR Tennis Shoe (Little Kid/Big Kid) 100% Synthetic Rubber sole The Wilson Juniors Envy Tennis Shoe incorporates the latest in footwear technology such as DST Foam for faster response and All Court Duralast for plenty of play on all court surfaces. ... Performance Fit | Enhanced Stability | Excellent Support Size - (See Description) | Color - (See Description) Authorized Wilson Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.