The PTX Bivibag I from Salewa is a water-repellent bivy bag for one person.

The bivy bag is ideal for alpine-style high-altitude mountaineering or in emergency situations. The top is made of breathable Powertex material, which significantly reduces condensation.
 

Features:
• All seams taped
• Waterproof rip stop nylon material for all-around weather protection
• Hood attaches and detaches via cords to rocks or branches
• Signal whistle for emergencies
• Waterproof: 5,000 mm water column
• Size: 220 x 80 cm

Material:
Polyamide