The Burton Boy's Fray Jacket is the perfect combination of all mountain style and performance. It is made of a bluesign® approved DRYRIDE Durashell 2-layer twill fabric giving a 10,000mm waterproofness rating and a 5,000G breathability rating. It uses a full 120g of Thermacore™ insulation in the body and 80g in the sleeves to keep them warm in the worst winter weather. It has the Room-to-grow™ system so this jacket can be let out as they grow. The fulltime drop down hood, is helmet friendly with an expandable hood gaiter to give them the coverage they need.