Lightweight and thin 2-layer windproof and water resistant fabric. Jacket neatly folds away into its own stowage pocket to aid portability. Reinforced ripstop fabric on shoulder and elbow enhances durability. Innovative active ventilation on back; construction and positioning allow. ventilation even when wearing a back pack. Elasticized wrist. Hoodless design. Reflective piping and printing. Chest pocket with waterproof zipper. Slight drop back.