Cold weather versatility.
The Lt III Sleeping Bag is the warmest bag in Sea to Summit's versatile Latitude Series and is ideal for high-elevation treks and winter camping. This ultralight bag uses lofty, compressible down insulation for an impressive warmth-to-weight ratio that easily handles everything from spring to fall trips, and even mild winter temps. Sea to Summit treated the down insulation to resist moisture, retain loft when wet, and, ultimately, remain warm in humid, moist conditions. Plus, the Nano Shell is water-resistant and windproof for extra weather protection.
The Latitude Lt III sits somewhere between traditional mummy and rectangular sleeping bags, with a tapered rectangular shape that balances between the weight-saving design of a mummy and the wiggle room of a rectangle. Its adjustable hood and oversized draft collar seal out cold temps, and the bag's full-length zipper wraps around the anatomic footbox to convert the bag into a blanket during warmer nights. Sea to Summit finished this sleeping bag with an internal security pocket and included stuff and storage sacks for extra convenience.
- Ultralight sleeping bag for backpackers and alpinists
- 1F temperature rating for shoulder season trips
- Lofty and compressible Ultra-Dry Down resists moisture
- Water-resistant material protects insulation
- Windproof exterior is ideal for mid-mountain bivouacs
- Item #STS002J