These Site Dalbey Navy Extra Large Waterproof Trousers are made from tough and durable materials to withstand the demands of a busy worksite. They can withstand heavy rain and even short bursts of water immersion. They also feature heat-welded taped seams to prevent water ingress through stitching holes. For comfort, the trousers have an adjustable elasticated waistband and an adjustable zipped hem to fit over your work boots.