A comfortable bivy bag with a tent pole arch in the head area (single pole supported). There is enough space at the head end for equitment that needs to be at hand day and night. The L-shaped access openning can be closed with 2 zippers. The specially designed storm flap ensures that the zippers are sealed to be absolutely waterproof. The 5 loops on the back of the XP-two keep the insolation mat in place. A bivy bag can be necessary if you do not find a site for a tent, are forced to sleep outdoors or just dont want to carry a tent. That means a bivy bag can be essential for comfort and for survival! We use only best materials available on the market: GORE-TEX® Gas Permeable Technology is a unique three-layer laminate, absolutely waterproof and extremely breathable. Unlike the GORE-TEX® Membrane, that is used for clothing, GORE-TEX® Gas Permeable Technology is air-permeable As a result, our bivy bags can be closed completely, providing absolute weather protection along with great comf