Running Has A Cadence. So Do The Seasons. Wind, Rain, Sleet, And Snow – Running All Year Requires Protection That Meets Exceptional Demands. Weighing Mere Ounces, The Norvan Lt Delivers Windproof, Waterproof Protection In A Lightweight, Efficient Run-specific Shell. Made From Gore-tex Fabric With Gore C-knit™ Backer Technology, It Is Quiet And Highly Breathable. The Trim Fit Minimizes Bulk, Articulation Adds Freedom Of Movement, And The Fitted Hood Provides Additional Coverage.