La description

Product Features:
Transforms XL Bivvy into a twin-skin (or triple-skin with inner in place) shelter
Reduces condensation and increases heat retention
Creates approximately 0.5m porch area in front of bivvy
Total through access; door at front and back
Dual-zipped doors, allowing you to create a letterbox opening
Huge mozzie vents in front plus window in back door providing free airflow ventilation
Dual rod straps at front and rear of bivvy
Heavy-duty T-pegs

Technical Specifications:
Material: 210D Polyester
Dimensions: 380cm x D430cm x H195cm
Weight: 5.6kg