The Nash Titan Hide Pro Ground Sheet is an extremely strong ground sheet designed specifically for use with the Titan Hide Pro bivvy. This groundsheet is ideal for muddy surfaces as it provides extra protection and prevents moisture and condensation from entering the bivvy. The groundsheet provides more comfort during your fishing adventures and is perfect for sessions in the fall, when weather conditions can often be unpredictable. With the Nash Titan Hide Pro Ground Sheet, you can confidently enjoy your fishing trip knowing you have a reliable and dry base.