Same as the standard Bivvi bag, but with the added versatility of a half length zip, wider in the chest, ideally suited for use with the Antarctica RE and the Special Forces Combo system. The experts' choice for outdoor living or emergency survival. Paratex Dry is a technical, lightweight, durable, 100% waterproof fabric making an ideal protective shell for any of our sleeping bags. Its small volume allows you to pack it 'just in case'. Weight: 340 grams Available colours: Olive, Black