ALTOS-S 0˚F Mummy Sleeping Bag

Step up your comfort. The ALTOS-S Sleeping Bags are designed with you in mind. The water-resistant fill keeps you warm and comfortable. These bags provide more room for your shoulders, legs, and feet.

Step up your features. The ALTOS-S Sleeping Bags are compact when carrying them, but so lofty when it’s time for bed. It’s a backpacker’s ultimate solution.

Step up your value. The ALTOS-S Sleeping Bags are not only warm, comfortable and easy to pack, they also have features you don’t usually see at this price, like a sustainable plant-based fill, vaulted footbox, zipper draft tubes, and a 3-piece hood. Get the ALTOS-S Sleeping Bag and step up your adventure.

Weight: 3.5 lbs.

Material: 20D / 400T Polyester mini Ripstop, 20D / 380T Polyester Taffeta, and Spectrum S - “SH” Micro Fiber Batting (with 30% Sonora)

Shell Material: 20D / 400T Polyester mini Ripstop

Dimensions: 84" x 32" (at the shoulders) x 17" (at the foot)

Stored Dimensions:

Please note: We do not ship to P.O. boxes. Please provide a physical shipping address when checking out.

We ship from our warehouse in Salt Lake City, Utah via various methods, including USPS and FedEx. If an item is available for sale, it is in stock in our warehouse and will ship as soon as the payment processes, usually within 1 business day of your order.

Once shipped, orders typically take approximately 3 to 5 business days to arrive.

Standard shipping is free for orders $75 and above—after discounts are applied and before taxes and shipping are calculated—to destinations in the continental 48 US states.

When you place an order, you will get a confirmation email. Once your order has left our warehouse, we will email your tracking information to you. Your carrier can give you an estimated arrival date. Most carriers provide step-by-step updates if you request them.

Express shipping is available via FedEx. Rates are calculated by package weight and destination. These options and their rates will be available during checkout.