Select Club LW Ball This LW(Lightweight) version of the Club ball reduces the weight of a size 5 soccer ball while still staying within the current standards set by NFHS Physical Benefits: Easier on joints at the moment of impact; Make long passes, hard shots and block attempts hundreds of times in a soccer match Additional benefits: Less impact from Heading Female Specific Injury Reduction: A lighter ball, completely within NFHS specifications, will be one less stress put on a female soccer player's ACL 1 year warranty. Please note: Ball ships deflated. A ball pump is required to inflate the ball before use. Please note: As with all premium soccer balls, ball should be topped off with air every few days for best results.