The warmest one-piece on the block. The little riders might look too cute in the toddlers' Burton GORE-TEX 2L One Piece, built with head-to-toe insulation and complete waterproof protection for any weather. Kid-friendly ease of getting in and out is why this will be your little one's favourite new piece for snowy days. The coolest part is the sleeves and Pants legs are extendable, so this suit can grow with them as they do. Let's hear it for keeping this onesie for more than one season.   FEATURES: GORE-TEX two-layer fabric is windproof, waterproof, breathable, and durable: It's the versatile solution to staying warm and dry while moving outside; GORE-TEX fabric is GUARANTEED TO KEEP YOU DRY. ThermacoreECO insulation[100g] is lightweight and breathable, providing a super-comfortable feel and low-bulk warmth that cranks the heat and dries quickly. It's bluesign approved and features over 90% recycled fibres that provide long-lasting durability and all-around easy care. Offers breathability for medium-intensity activities with moderate sweat management for quick-drying comfort with the durability of a GORE-TEX membrane for reliable weatherproofing. GORE-TEX seam tape provides durable seam protection for complete weather and waterproof design. Removable Contour hood with elastic hood gaiter; Exterior waistband adjustment; Reinforced seat and knees; Anti-scuff cuffs; Hook-and-loop cuff elevators. Room-to-Grow system extends the length of the legs by 1.5in to keep up with growth spurts; Adjustable sleeve cuffs; Reflective details. Microfleece-lined hand-warmer pockets with hook-and-loop closure and sleeve pass pockets with hook-and-loop closure.