These are so comfortable and worn one time as my son grows out of his shoes very quickly!! These are so fun and such a great color that sill really get you alot of attention!Fully knit upper for a breathable, compression-like fit that delivers lightweight directional strengthOne-piece FLOW midsole provides responsive & long-lasting cushioningUpper has a strategic knit design for a locked-in fit & added comfort with internal moldingFLOW technology eliminates the rubber outsole, creating a more lightweight & seamless ride on any surfaceBootie construction for elevated ease of entry combined with a contoured fitOutsole material is super-durable & increases ground tractionOne-piece Flow midsole provides responsive & long-lasting cushioningFlow technology eliminates the rubber outsole, creating a more lightweight & seamless ride on any surface