Molehill Boys Polar Fleece Vest (Infant to Big Kids) Main Fabric - 100% Polyester. Contrast Fabric - 100% Teflon Coated Nylon. Imported Zipper closure Boys warm, comfortable and snuggly fleece vest High neck design, front zipper, elastic waist/arm openings Two front side pockets to keep little hands warm Flat lock stitching throughout for added strength and durability Reinforced back in a waterproof and breathable nylon print