Pull up style reusable training diaper. Athletic wicking jersey lining for moisture wicking and comfort, stretchy elastics and tabs to pull the diaper up and down easily, front pocket opening for easy adjusting while standing, side snaps and pop up style double gusset. 3x5 rise for a wide range of sizing.
Must use an insert, these have snaps for inserts in the front to prevent the absorbency from sliding down. Inserts are sold separately. 
Weight ranges on the sizing is assuming a 6 layer insert, additional absorbency typically requires parents to expand the rise by one row of snaps.
Maximest Flex (20-75lbs)**
Youth (65-100lbs)
**some sizing feedback is on the MF sizing the waistband can be a little loose on longer, lean kiddos on the bottom weight.  30-35+ have had no issues.  Trainers are intended to sit lower on the waist/hips than pockets and covers and more like where undies sit**