The 686 Boy's Infinity Cargo Snow Pants will keep them moving this winter! These pants are made of a 2-Layer infiDRY® 10K Fabric with critically taped Bemis® to keep moisture out. They have 140g infiLOFT® insulation for all day warmth. It has an external waist adjustment and a tricot inner waistband for added comfort. The Youth Evolution™ Multiple Sizing System in Legs allows these pants to grow with them.