Zappos.com is proud to offer the Nike Kids - Endurance Trainer (Toddler/Youth) (City Grey/Hight Voltage/Blue Dusk/Metallic Silver) - Footwear: Your kiddo is in it for the long haul with the Nike® Endurance Trainer! ; Supportive leather upper with mesh underlays for breathability. ; Lace closure for a secure fit. ; Padded tongue and collar for added comfort. ; Full-length Phylon midsole for lightweight cushion. ; Nike Free-inspired outsole features deep flex grooves for improved mobility. ; Non-marking rubber outsole for maximum traction. ; Weight: 7 oz ; Product measurements were taken using size 2 Youth. Please note that measurements may vary by size.