The Nike Free Run 3 running shoe features lightweight support and flexibility to help provide a broad range of motion that is ideal for the developing feet of a young athlete runner. Breathable mesh and a multi-layer upper offers a lightweight, second-skin-like fit. Ultra-high resolution siping pattern delivers an incredibly smooth, naturally neutral ride. Abrasion-resistant rubber under the highest wear regions gives enhanced durability.
Hi, are you able to tell me what the differences are between the boys grade school size 4 and girls grade school sizes 4 are?