Regular fit is just right: Not too tight or too baggy; Gender neutral sizing Youth Winter Snow Bib Pants. 2-Layer, insulated, 15k waterproof bibs for kids.There's nothing like having a personal force field against snow and cold. That's exactly what the kids' Burton Skylar Bib Pants deliver with a 15k/15k waterproof, breathable DRYRIDE membrane. Whether your kid is learning to ride or is already hooked, bibs are warmer, stay in place better, and make for more fun on the mountain.