The Summer Sun Can Be Fierce, And As You Climb, Uv Levels Increase. The Cormac Hoody Is Specifically Created To Help Shield Climbers, Hikers – Anyone Seeking Mountain Adventure – From The Sun And Keep Them Comfortable On The Move. One Of Our Lightest Fabrics, The Ostria™ Polyester Is Airy And Exceptionally Comfortable. A Brimmed Helmet-compatible Hood Protects The Face, Thumb Loops Hold Sleeves In Place, And Low-profile Seams Ride Comfortably Under A Pack.