Black Knight rail hi vis trousers at Work & Wear Direct manufactured from 300 denier fabric with elasticated waistbands. Black Knight rail hi vis trousers can be printed or embroidered with your business name or logo and are suitable for use on or near the lineside, providing the safety and protection that rail workers need. Black Knight rail hi-vis trousers meet RIS 3279 TOM specifications. Browse the range of Black Knight rail high visibility trousers, or shop the entire range of Rail Hi Vis Trousers available to buy online at Work & Wear Direct.