The GT-2170 offers a kid-friendly, custom fit that takes your kiddo from the track to the classroom and through the playground. Flexible synthetic upper with a breathable mesh underlay. Lace-up closure for a snug fit. Padded tongue and collar for maximum comfort. DuoMax Support System maintains proper support for the foot during the transition from heel strike to toe-off. Rearfoot and forefoot GEL Cushioning System is strategically placed at high impact areas for shock absorption. Reinforced stitched toe cap improves durability. Trusstic System reduces the weight of the sole unit while retaining the structural integrity of the outsole. Durable rubber outsole with deep flex grooves for increased mobility. Measurements: ; Weight: 9 oz ; Product measurements were taken using size 5.5 Youth, M. Please note that measurements may vary by size.