Shop Portwest Hi-Vis Jackets at Kustom Workwear. Portwest is an industry leader in supplying heavy-duty hi-vis jackets and outerwear to Ireland's trades and construction workers. Built from durable, hard-working materials, our Portwest range is designed to stand against tough work conditions and the daily demands of an active site. Offering certified visibility, weather protection and reliable everyday comfort, our range includes winter, rain, hybrid, FR and softshell jackets. Ideal for workers who need dependable high‑visibility outerwear throughout the year. Shop the full range today.