snow pants with the room-to-grow-system . the burton barnstorm pants for boys offer style and warm insulation. the double-layer dryride fabric with fully taped seams protects from snow and other moisture, while thermacore insulation offers reliable warmth. the room-to-grow system allows for extensions at the seams to outlast growth spurts. these pants are a bluesign® certified product and meet the highest safety standards for people and the planet.