Sondico pro indoor football the sondico indoor football is a great football for indoor training sessions and 5 a side matches with its soft synthetic outer and stitched panels helping it stay under head height this size 5 indoor football is finished off with the sondico pro indoor motif on the side indoor football size 4 and 5 synthetic outer stitched panels please note all footballs are delivered deflated at sportsdirectcom we stock a wide selection of footballs to suit