La description

Hydrostatic head rating of 10,000mm
Designed to allow the user to create a twin skin on their R-Series 2-Person bivvy
Increases warmth in the winter and helps to keep you cooler in the summer
Vastly aids the reduction of condensation
Creates additional storage space for items such as waders, bait etc.
Comes supplied with additional frame supports and storm poles with pivoting clips for perfect secure connection to the main frame
Large front and rear mozzy mesh panels
Two-way letter box style door with three door options, mozzy mesh, clear PVC and solid
Front can be rolled back to create an open fronted shelter
Two rod straps located at front of shelter
Made from hard wearing, breathable polyester fabric
Weight – 5kg