The Sitka Gear Men's Core Lightweight Hoodie is designed to be more than just another base layer. The Core Lightweight Hoodie is the foundation that all of their SITKA systems are built from. The high-performance polyester construction moves moisture through during periods of high aerobic activity while drying quickly in low periods spent sitting.FeaturesQuick-Dry, Comfort Stretch Lightweight KnitYKK Zippered Chest Pocket with GORE OPTIFADE ConcealmentBuilt-In Ultra-Breathable Mesh Face MaskLow-Profile HoodDrop-Tail DesignHalf-length, center front YKK zipper with GORE OPTIFADE ConcealmentLow-Profile Flatlock Seam ConstructionStretch Thumb LoopsOffset Seams On ShouldersPermanent Polygiene Odor Control Technology