Swazi Mens Windriver JacketSwazi Mens Windriver Jacket The Windriver winter jacket lets you stay and play when the wind blows up its the perfect versatile outer shell or winter jacket. We've used AEGIS Windshield fabric to create our most breathable, windproof jacket. The breathability part is key given that your body can sweat over a liter of water per hour when youre pushing it hard. Weve given the Windriver deep pockets for your gear, plus a domed and touch taped chest