Helly hansen progress jacket junior the helly hansen progress jacket features helly tech performance fabric boasting a waterproof windproof and breathable shell with fully sealed seams throughout for total protection from the elements kids ski jacket helly tech performance fabric waterproof breathable and windproof dwr treatment primaloft black insulation 133gm in body 100gm in sleeves fully seam sealed detachable adjustable hood adjustable cuffs and hem