Maybe you're crushing double black diamonds, or maybe you're just getting started on the blue squares. Either way, we have a feeling you'll love the Eider Red Square 2.0 Jacket. This synthetically insulated jacket is made from a durable face fabric and a membrane that offers 10K waterproofing and breathability. Eider's Thermal Control System ensures that you'll stay cool and dry, even when you're working hard, so you never have to worry about working up a sweat. Rocking out has never been easier, thanks to the convenient audio pocket with a cable opening. For an ideal outerwear set up, pair this jacket with the Eider Red Square 2.0 Pants.