Big Agnes Bivy Sack

The Three Wire Bivy provides shelter from the storm and piece of mind for the solo camper or alpinist. Top shell features eVENT waterproof fabric while the bottom is durable, lightweight Cordura.

The easily-pitched pole system provides good headroom and ventilation. The Three Wire also uses a DAC Featherlite NSL poleset, which feature an Eco-Friendly anodizing process that significantly reduces the use of hazardous chemicals, as well as Reverse Combi pole optimization for increased strength and weight savings.

Design Features

• DAC Featherlite NSL - featuring eco-friendly anodizing, super light and strong poles with press fit connectors, and lightweight swivel hub
• All DAC poles made from TH72M aluminum: the latest technology in lightweight tent poles featuring improved durability.
• Internal pole connected to external pole with DAC swivel hub
• eVENT top fabric - eVENT is a breatheable, waterproof fabric that vents moisture directly to the outside, keeping you and your bag dry inside
• Durable, lightweight Cordura rip-stop bottom fabric
• 2 closure options: interior layer of mesh bug netting for ventilation or eVENT fabric layer for complete protection
• Peaked visor and zipper flap protects against the elements
• Mesh bug netting closure
• Reinforced stake out loops at head and shoulder
• Stake out loops at foot
• Superlight aluminum X-peg stakes included
• All seams are taped
• Stuff sack included
• PVC-free and solvent-free seam tape