Black Diamond Twilight Bivy

The minimalist, four-season Black Diamond Twilight Bivy is built from water-resistant and breathable NanoShield fabric that keeps weight to an absolute minimum and packs down incredibly small, making it ideal for an emergency shelter or as a sleeping bag cover. Built with a zippered entry across the shoulders, it’s easy to get into and use while sitting up.

• Frameless construction to minimize weight
• Proprietary NanoShield single-wall fabric
• Year-round performance

Weight: 305 g
Dimensions: 208 x 84 cm
Packed size: 13 x 8 cm
Area: 1.75 m²

Instructions behind the link.