The McAlister EST Performance Hybrid Upland Shirt is designed with 100% polyester material to provide superior comfort and breathability during outdoor activities. Its hybrid multilevel design offers unmatched versatility for any adventure. Stay cool and comfortable while you explore the great outdoors.FeaturesWoven front for a traditional, clean look 4-Way Stretch Knit Back 4-Way Stretch Mesh Sides and Underarms Magnattach Left Chest Pocket Zippered Right Chest Pocket 100% Polyester Shield 4 Sun UPF 50+ sun treatment Shield 4 Odor antimicrobial treatment Shield 4 Stains treatment