Fabric: 100% BIZ COOL Micro Polyester, with durable resin finish. 155 GSM. UPF rating - Excellent. Features: Silver reflective trims for visibility. Stretch knit fabric allows maximum range of movement. Flat seams and soft elastic waistband for anti-chaffing comfort. Secure zippered side pocket. Sizes: S - 3XL, 5XL. Colours: Black, Navy. Cares: Extras.