Ultralite Nylon - 100% Nylon Odorless BUZZ OFF Insect Shield garments repel biting and potentially disease-carrying insects. Built-in 30+ UPF to protect you from up to 98% of harmful UV rays Soft, moisture-wicking finish for comfort- wrinkle resistance to keep you looking good High-speed drying time Increased ventilation with an AiromeshT back panel to help you keep cool 2 compartment chest pockets; one with lightweight covered security zippers,the other with hook & loop closure Hidden snap closures on front placket and at collar; Roll-up sleeve tabs Do not dry clean ExOfficio Since 1987 Seattle-based ExOfficio has created adventure clothing with state-of-the art technical features and performance benefits. ExOfficio sells Buzz Off apparel and accessories for men and women. www.exofficio.com