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Big Sky Wisp 1P Super Bivy

Big Sky Wisp 1P Super Bivy

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20-Ounce Solo Shelter

A solid step up from your bivy sack, the Big Sky Wisp features a single-pole design for fast, easy setup with a 47-inch peak height for ample headroom—and it all weighs just 20 ounces. The roomy interior has a large side-entry door, a pocket for organizing small items, and a covered, top-vented vestibule to keep your gear safe and dry. Totally enclosed against mosquitoes and other pesky visitors, this solo shelter offers an economical way for many three-season backpackers to lighten their load.

Note: This drop is for the SuprSil fabric and mesh netting, in a granite gray outer shell and dark olive green floor. SuprSil-UL fabric for the outershell is available as an upgrade (+ $30). Stakes, guy lines, and footprints are not included. This drop is limited to 30 units. 

Big Sky Wisp 1P Super Bivy
Big Sky Wisp 1P Super Bivy
Big Sky Wisp 1P Super Bivy

Hybrid Wall Construction

Because the Wisp has a hybrid design (double-walled on the door side with a single-walled ceiling and non-door side), it’s recommended for low-humidity areas—like the American Southwest and Rocky Mountains—and not recommended for high-humidity areas.

Big Sky Wisp 1P Super Bivy
Big Sky Wisp 1P Super Bivy
Big Sky Wisp 1P Super Bivy


  • Big Sky International
  • Material, outer shell and floor: SuprSil fabric
  • Material, inner shell: No-see-um mesh netting
  • Material, foot-end pole: Lightweight aluminum
  • Hybrid double-wall/single-wall design
  • Vestibule with top vent
  • Large easy-entry side door
  • Interior pocket
  • Factory-sealed seams where necessary
  • Length, foot-end pole: 15 in (38 cm)
  • Dimensions, interior (W x L x H): 39 x 91 x 47 in (99 x 231 x 119 cm)
  • Dimensions, packed (L x D): 15.4 x 4.5 in (39 x 12 cm)
  • Weight: 20 oz (567 g)


  • Removable foot-end pole
  • Stuff Sack


All orders will be shipped by Massdrop.

Estimated ship date is May 20, 2016 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.

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