The Nike Jr Park FG-R is an entry-level soccer shoe for use on firm, natural surfaces. Soft, supple PVC-free synthetic leather upper. High-density, die-cut recycled EVA sockliner. Injected rubber outsole with conical studs on the forefoot for optimal traction and rotational movements, and oblong studs on the heel for maximum penetration on heel strike. Wt. 7.6 oz.