BOMBAS Toddler Gripper Slipper NWT in Navy Size T1 on Bombo’s website (US Kid Shoe Size 5T-7T) For more detailed sizing, please refer to BOMBAS website Gripper Slippers have an ultra-warm brushed lining and special grips on the outside designed to help prevent slips. You may never want to wear real shoes again. While our grippers are pretty good at helping prevent slips, they're not magic. So be careful, and practice good coordination out there. Cushioned Footbed Cozy Interior Lining Stay-Put Grips