Advanced Bivy™

Style# 40141OR

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The largest of our bivy sacks, the spacious Advanced Bivy provides the most space for thicker sleeping pads and loftier bags, and can be used in place of a single-person tent. The patented dual-pole system increases ventilation and interior space, or the second pole can be left behind when weight and pack space are critical. GORE-TEX® Respiration Positive™ fabric allows warm, moist air to escape but blocks outside weather, minimizing condensation while providing supreme protection from the elements. A zippered vent at the base improves airflow on humid nights.


Mojo Blue




  • Waterproof
  • Toe-End Zipper with Wide Storm Flap
  • Small Internal Mesh Pocket
  • Sleeping Pad Straps
  • Sized to Fit Thicker Mats
  • Removable No-See-Um Netting at Opening
  • Pole System Allows Multiple Configurations for Opening
  • Overhead and Circumferential Dual-Delrin-Pole System
  • Hood Hinges Back to Vent Excess Heat
  • High-Volume Toe-End with Zippered Vent
  • Fully Taped Seams
  • Five Stake Loops; Three Guy-Line Loops
  • Durable Hydroseal® coated floor
  • Anti-Fungal Coating on Floor


Fabric :

GORE-TEX® Respiration Positive™ 3L, 100% ripstop nylon 30D body, 100% nylon 70D floor, 100% nylon pole tunnels, stuff sack

Avg. Weight (oz./g): 39oz / 1106g (With Pole)

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