Waterproof and breathable Portwest S487 yellow hi-vis trousers with taped seams to prevent water penetration. Reflective tape for increased visibility. Portwest S487 hi-vis yellow trouser can be easily worn on top of trousers. Fully elasticated waistband for ultimate wearer comfort. Zipped ankles for easy fitting over work boots. 50+ UPF rated fabric to block 98% of UV rays. CE certified.