Using breathable fabric with innovative venting, these Workcool pants will perform in all conditions. Each garment label will provide the specific material and care instructions for your guidance, so please make sure you check these. Features: UPF Rating - An Ultraviolet Protection Factor (UPF) rating for Ultraviolet Radiation transmitted through a fabric onto the skin. Look for garments with a UPF 50+ rating to be assured of excellent protection. These garments have been designed to comply with AS/NZS 4399:1996. Airflow - Engineered ventilation placed in high heat zones to allow air to flow through to the body, improving breathability and keeping the wearer cool and comfortable. Ripstop Fabric - Ripstop fabrics have been woven to be highly tear and rip resistant. Reflectec - Material that uses millions of reflective glass beads to reflect light back towards its original source for increased visibility and safety in low light situations.