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Description

Rest up for the final push to glory.

Nothing takes the steam out of your engine more than a restless night, so Sea To Summit designed the Alpine ApIII -4 Degree Down Sleeping Bag to both repel outside moisture and prevent condensation build-up on those epic alpine expeditions. A breathable, downproof 3D Nano Shell with Nano DWR and an interior barrier ensure its plentiful 850-fill Ultra-Dry Down stays lofty and toasty-warm, even at high-altitude base camp. Because you want to be rested for that glorious peak.

  • This autumn-winter -4F-rated bag was made for base camp, winter backpacking, snow camping, ski touring, alpine climbing, and epic expeditions
  • High-density, downproof 3D Nano Shell 20D polyester with DWR coating repels water at its durable exterior and condensation on the inside
  • Almost-magical Ultra-Dry Down 850+ goose down repels moisture, retains loft, dries quickly, and fights bacteria and microbial growth for dry, fresh comfort
  • Differential-cut mummy with 3D sidewalls, offset baffles, side-block baffle, and tapered footbox gives wiggle room with lean-fit warmth
  • Regular length comfortably accommodates a person six feet tall; long length extends to fit someone six-foot-eight
  • Cushioned internal hood drawcord with dual adjustment hugs your head with downy warmth
  • Zip draft tube with anti-snag seals out the cold for optimal cozy comfort
  • Neck draft tube with dual elastic adjustment add to the weather-denying barrier
  • Two-way side zip provides convenient open-close and venting
  • Weighs a light 3lb 8oz (regular) or 3lb 15oz (long) for easy portability
  • Compresses in bag from 15 liters to 5 liters; you’ll be tempted to take it everywhere you go
  • Medium internal zippered pocket secures essentials at your side
  • Includes lightweight Ultra-Sil compression bag, mesh storage cell, and laundry bag for easy maintenance and convenience

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Sea To Summit Alpine ApIII Sleeping Bag: -4 Degree Down

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Here's what others have to say...

Waiting on weather

Waiting on weather

Hanging out in Hidden Valley Vase camp (5,100 m). A cyclone had hit India and we were getting the resultant precip in Nepal.