Alleson Youth Slotted or Snap No Fly Football Pants are made of 85% nylon/15% spandex and have a cover seamed throughout for additional strength. This pants also feature a five panel back construction with a no-fly crotch, 100 denier tricot mesh thigh pockets with self-material ...Alleson Youth Slotted or Snap No Fly Football Pants are made of 85% nylon/15% spandex and have a cover seamed throughout for additional strength. This pants also feature a five panel back construction with a no-fly crotch, 100 denier tricot mesh thigh pockets with self-material spandex knee pad pockets, and a heavyweight comfort cotton-like elastic waistband with two rows of exposed rubber-gripper to keep the jersey tucked in tight.