Jacket Features: - 60K MVTR - the New Ultra Jacket and Pant are designed to keep you dry during intense activity - no sweat. - Redesigned to breathe better and keep you drier - 20,000mm water entry pressure and 60,000 moisture vapor transmission rate - 6x more breathable than Ultra Trail du Mont Blanc requirements - Underarm vents provide airflow and cooling while wearing a hydration vest. - Brimmed TunnelEffect hood allows ideal airflow while keeping rain out - Integrated FlipMitts - self-storing mitts provide waterproof warmth