Shell, liner and insulation
The PFAS-free Teflon-coated 50D polyester ripstop shell is paired with a 20D nylon taffeta liner and Perefill 3D Hollow Fiber insulation that retains loft and warmth when damp.
Explore with top rollers, duffels & packs.
Peregrine
The short version
Details & specs ↘Perefill 3D Hollow Fiber insulation, a #10 YKK dual zipper, and an included stuff sack complete the setup.
Eligible return or exchange requests must be submitted within 45 days of the order date. Items must be new and unused with original packaging, tags, and accessories. General change-of-mind returns are not accepted. Customers cover return shipping for size exchanges; Alpine Extreme covers approved returns caused by an incorrect, damaged, or defective item. See the full Return & Refund Policy for exclusions and refund timing.
Free standard shipping is available to most addresses worldwide. Availability, delivery estimates, and any expedited charges depend on the destination and order. International customers are responsible for applicable duties, tariffs, or customs fees.
In the field
The Peregrine Endurance is a sleeping bag with a stated -20°F rating, a 50D polyester ripstop shell, and a 20D nylon taffeta liner.
The PFAS-free Teflon-coated 50D polyester ripstop shell is paired with a 20D nylon taffeta liner and Perefill 3D Hollow Fiber insulation that retains loft and warmth when damp.
The bag includes an articulated foot box plus hood and neck baffles.
Weight is 8 lb 8 oz, dimensions are 90 × 35 × 14 in, a stuff sack is included, and the bag fits users up to 6 ft 5 in.
Embrace the Extreme: The Peregrine Endurance -20°F Sleeping Bag is your ultimate ally against the coldest nights in the wilderness. Designed for the adventurer who refuses to let freezing temperatures dictate their limits, this bag marries unparalleled warmth with durability. The PFAS-free Teflon® coated 50D polyester ripstop shell withstands the rigors of the outdoors, while the #10 YKK dual zipper ensures reliable access without fail. Whether it's the high-altitude camps or the frosty forests, the Peregrine Endurance stands as your bulwark against the chill.
Innovative Warmth: Dive into the comfort of the Perefill 3D Hollow Fiber insulation, a breakthrough in thermal technology. Even when damp, this synthetic fill retains its loft and warmth, making it the dependable choice for wet conditions. The articulated foot box, hood, and neck baffles act as barriers against the cold air, cocooning you in warmth. With an ultra-smooth 20D nylon taffeta liner, every inch of this bag is crafted for a restful night's sleep in the harshest environments.
Your Expedition Essential: We know that every ounce counts when you're pushing the boundaries of exploration. Weighing in at just 8 lbs 8 oz and packing down into a high-quality stuff sack, the Peregrine Endurance is as transportable as it is comfortable. Its generous dimensions (90" x 35" x 14") accommodate adventurers up to 6'5", ensuring a snug and unrestricted rest for all.
The Call of the Wild: Ideal for the fearless explorer braving the deep winter's embrace. When the mercury drops, rise to the occasion with the Peregrine Endurance -20°F Sleeping Bag.
Conquer the cold, in comfort – your shield against the freeze.
Email [email protected] or use our contact form.
Free standard shipping is available to most addresses worldwide. Availability, delivery estimates, and any expedited charges depend on the destination and order. International duties, tariffs, and customs fees remain the customer’s responsibility. See our Shipping Policy for details.
Eligible return or exchange requests must be submitted within 45 days of the order date. Items must be new and unused with original packaging, tags, and accessories. General change-of-mind returns are not accepted. Return-shipping responsibility depends on the reason for the return. See the full Return & Refund Policy for exclusions and refund timing.
Orders are typically processed within 2–5 business days. Most standard shipments arrive within 7–14 business days after shipping, depending on destination and carrier conditions. Delivery estimates are not guaranteed.
Yes. Tracking details are emailed after shipment. You can also check order status with your order information through our order-tracking page.
Email [email protected] or submit the form on our support page. Report delivery issues within 60 days of the order date so carrier information is still available.
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