Super Undies Introduces New Hybrid Potty-Training Pants admin - October 4, 2014 - Parenting, Parenting, Personal Care, What's Happening Super Undies Introduces New Hybrid Potty-Training Pants admin - October 4, 2014 - Parenting, Parenting, Personal Care, What's Happening What’s so “hybrid” about them? This new innovative pair of training pants uses either disposable inserts or cloth inserts.