Molehill Boys Summit Snow Bibs, Silver(MM), 8/10 yrs Durable waterproof breathable nylon shells for extreme weather conditions 600D polyester reinforments to high stress areas and 100% polyester fill for extra warmth and comfort Adjustable hook and loop cuff closures and "GROW CUFFS" for expanding leg length Adjustable Velcro suspenders and elasticized waist belt/ankles Articulated reinforced knees and reinforced waterproof butts for added durability and warmth