Altos-S 20 Degree Down Mummy Sleeping Bag

Name: Altos-S 20 Degree Down Mummy Sleeping Bag
Brand: TETON Sports

Last updated 2026-08-21

The Altos-S 20 Degree sleeping bag is engineered for the dedicated backpacker who prioritizes weight and compressibility. Utilizing high-quality down insulation, this mummy-style bag provides exceptional warmth-to-weight ratios, ensuring you stay comfortable during chilly nights on the trail without adding unnecessary bulk to your pack.

Designed specifically for adults, the contoured mummy shape minimizes dead air space to maximize heat retention. The compact nature of the materials allows it to stuff down small, making it an ideal choice for multi-day hiking trips where every cubic inch of storage space in your rucksack is vital.

This performance-oriented gear features a durable outer shell that stands up to the rigors of the wilderness. Whether you are trekking through high altitudes or camping in variable spring conditions, the specialized construction helps maintain a consistent internal temperature for a restorative night of sleep in the great outdoors.

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