Arc’teryx Is Rooted In The Alpine, But We Know Daily Life Also Moves Quickly. The Covert 1/3 Zip’s Modern Sweater Styling, Clean Lines And Regular Fit Blur The Distinction Between Alpine Inspired Performance And Everyday Living Needs. Arc’teryx Specifically Developed Alpenex Ii™ Heathered Fleece To Create A Technical Jacket With The Elegant Look Of Wool. The Polyester Fabric Has A Brushed Back Knit That Is Engineered To Provide Versatile Warmth And Comfort.