686 Boy's All Terrain Insulated Pant 100% Polyester Importado 80g Polyfill insulation 10,000mm/8,000mm excellent all-around waterproofing during any winter conditions Thermal Rating 7 great all around garment with insulation that keeps you warm in winter conditions, but not too hot on sunny days Youth Evolution Multiple Sizing System allows the pant shell and gaiter to lengthen External waist adjustment