Big Agnes

Big Agnes Hitchens UL 20 Regular

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These technical ultralight bags are designed for adventures where every ounce counts, each nook and cranny in your pack is accounted for, and you depend on the performance of your sleeping bag like you would a harness, helmet, or beacon.

Specs + Sizing

Bag Weight Small: 1lb 9oz / 709g / Reg: 1lb 11oz / 765g / Long: 1lb 15oz / 879g
Fill Weight Small: 16oz / 454g / Reg: 18oz / 510g / Long: 20oz / 567g
Compressed Bag Size Small: 6in x 6in / 15 x 15cm / Reg: 6in x 7in / 15 x 18cm / Long: 6in x 7in / 15 x 18cm
Stuff Sack Size Small: 7.5in x 15in / 19 x 38c/ Reg: 7.5in x 15in / 19 x 38cm / Long: 7.5in x 15in/ 19 x 38cm


Shape allows for light weight and increased thermal value

3-D anti-snag draft tube prevents heat loss along the zipper

Contoured hood baffles cradle the head for a more comfortable fit

Oversized interior anti-draft collar 

DownTek™ water repellent down repels water while maintaining insulating value

Low profile cordlock lets you un-cinch the hood with one hand

Minimal zipper cuts weight and reduces cold spots

Two-way zipper allows easy access at waist for climbing harness tie-in

Zipper Garage 

Interior fabric loops for sleeping bag liners

Streamlined exterior loops for hang drying or storage

Mesh storage sack & nylon stuff sack

Construction + Materials

Traditional mummy shape

Nylon rip-stop shell fabric with a water repellent finish 

Nylon rip-stop lining

Insotect Flow™ construction

850 fill DownTek™ water repellent down 

Body mapped baffle construction optimizes thermal efficiency

Vertically structured sidewalls integrating contoured baffles trap heat closer to the body
Ergonomic foot box construction provides more loft and warmth 

Ultralight high tenacity shell fabric

40"/102cm YKK #5 zipper 
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