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SKU: 152120 Mountainsmith Ptarmigan 35F

Mountainsmith Ptarmigan 35F
Purchase Mountainsmith Ptarmigan 35F
  • Mountainsmith Ptarmigan 35F

    Code: 152120

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  • (This Product is Currently Out Of Stock)


For those warmer temperature adventures, keep it light-weight with the Ptarmigan 35. When the temps dont drop overnight, stay cool with a quick un-zip of the J-Zipper and vent as much as you need. In order to maximize warmth with minimal weight, the Ptarmigan utilizes a 60/40 insulation split from top to bottom. Combining the generous neck baffle with the form-fitting hood, you will easily snug yourself into a cozy cocoon. To ensure that this bag will last for many years, it comes with both a stuff sack and a mesh storage sack that allows the bag to dry and maintain loft properly while in storage. EN rated for a lower limit of 34F, the Ptarmigan offers versatility for nights in the late Spring and early Fall.
Temperature Rating:
  • 35 Degrees
  • Vertical V-baffle torso
  • Right hand J-zipper
  • Form fitting adjustable hood
  • Full-length draft tube
  • Mesh storage sack included
  • Sil-nylon stuff sack included
  • Second zipper for footbox ventilation
  • Anti-snag zipper reinforcement
  • Relaxed mummy shape
  • Differential cut with offset baffle construction
  • 60/40 Insulation split(top/bottom)


  • EN Comfort Rating: 42F / 6C
  • EN Lower Limit: 34F / 1C
  • EN Extreme Limit: 7F / -14C
  • Exterior: 75d x 240T Diamond poly Ripstop, W/R, CIRE
  • Liner: 70dx210T Polyester W/R, CIRE
  • Fill: MountainLoft Hollowfibers
  • Stuff Sack: 40dx244T Sil-Nylon RipStop
  • Zipper: YKK 2 Way Autolock
  • 80" x 32.5" / 203 x 83 cm
  • Stuffed: 16" x 8.5" / 41 x 22 cm
  • 1 Person
Fit Range:
  • For sleepers up to 6' 4"
Shoulder Girth:
  • 65"
  • 2 lbs 14 oz / 1.3 kg
Fill Weight:
  • 1 lbs 6 oz / 0.63 kg
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