Dainese alta zero d dry ski jacket mens this dainese alta zero d dry ski jacket is designed to offer skiers supreme comfort and performance out on the slopes the shell of the jacket consists of the d dry membrane which makes it waterproof up to 20 000mm breathable to 20 000gm and wind repellent and is combined with primaloft insulation which offers warmth without the bulk is water resistant breathable lightweight and soft also included in the jacket is keep heat textile technology wh