MSR E-Bivy Sack

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MSR E-Bivy Sack

See available Bivy sacks


Show Description

Pop can-sized when packed, light enough to carry for emergencies, and durable enough for regular fast-and-light use. Use it with a tarp in heavy rain or snow, or to increase the warmth of your bag in a tent during shoulder seasons.

  • Light, breathable 20-denier SilNylon top fends off dew, frost, and light precipitation.
  • Lightweight 30-denier nylon bottom has a DuraShield polyurethane coating for great water resistance.
  • 91cm wide at the shoulder, tapering to 58cm at the foot.
  • Basic design has a simple flap closure, no zip, no bug mesh.

Tech specs

Show Tech specs
Ideal for Backpacking
Seasons 4-season

The number of average sized people that the product can comfortably sleep.

Floor fabric 30-denier nylon
Floor coating Polyurethane
Floor waterproofness

The standard test for coated fabrics uses a standing pipe (column) filled with water. The figures given are the water column height. A 1000mm coating allowed no leaks after 1 minute under 1000mm of water.

Fly fabric 20-denier nylon ripstop
Fly coating Silicone
Floor length

A measurement based on the longest point of the tent.

Floor width

A measurement based on the widest points of the tent.

Minimum weight

Includes just the tent, poles, and the fewest pegs and guylines needed to properly set it up.

Packed weight

Includes the full tent with its stuff sack, repair swatches, and all the guylines and pegs.

Packed size 18 x 10cm
Made in Taiwan