Due to structural differences among indoor soccer facilities, "The Field of Play" is included as Appendix A, rather than set forth by "rule" Rule 2 The Ball 21 Specifications The dimensions and weight of the ball are that of a standard size 4 indoor for U12 and below The ball is size 5 for above U12 and for coed US Youth Soccer allows some concessions and says recommended goal sizes may be changed slightly to best utilize the field as long as it does not affect the quality of soccer Recommended Maximum Goal Sizes For US Youth Soccer are;U14 U19 play on regulation size fields Law 2 The Ball U6 & U8 play with size 3 soccer balls U10 & U12 play with size 4 soccer balls U14U19 play with size 5 soccer balls United States Soccer Federation (USSF) Rules Page Court & Field Dimension Diagrams in 3D, History, Rules SportsKnowHowcom SOCCER
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