Anvil Horn 45˚

Lightweight down fill Big Agnes System bags designed to excel in all conditions

Specs + Sizing

Bag WeightRegular: 1lb 12oz / 794g / Long: 1lb 15oz / 879g
Fill WeightRegular: 11oz / 312g / Long: 13oz / 369g
Compressed Bag SizeRegular: 5" x 6" / 13 x 15cm / Long: 5" x 6.5" / 13 x 17cm
Stuff Sack SizeRegular: S 7.5" x 15" / S 19 x 38 cm / Long: S 7.5" x 15" / S 19 x 38cm

Features

The Big Agnes System bags offer technical, roomy sleeping spaces for those who aren't willing to sacrifice comfort or compressibility 

Streamlined silhouette for increased thermal efficiency 

Flex Pad Sleeve features stretch construction that accommodates multiple pad widths, and easily connects your bag to your pad

Regular and Long bags fit 20" - 25" wide pads, Wide Long bags fit 25" - 30" wide pads

Pillow Barn – keeps your pillow tucked in tight all night

Non-hooded design is ideal for summer camping or use as an overbag

Free Range Footbox - creates wiggle room for your feet

Rectangular shaped bag

DownTek™ - a water repellent down that uses a PFC-Free, bluesign™ approved chemistry.

Anti-snag zipper for a smooth, quick zip 

Regular: 65" / 165cm YKK #5 anti-snag locking zipper

Long: 70" / 178cm YKK #5 anti-snag locking zipper

Wide Long: 70" / 178cm YKK #5 anti-snag locking zipper

Zipper garage 

Mate together left and right-zip bags

No-draft collar, no-draft wedge, no-draft zipper

Interior fabric loops for sleeping bag liners

Exterior loops for hang drying or storage

Mesh storage sack & polyester ripstop stuff sack

Construction + Materials

Polyester ripstop shell fabric with a water repellent finish 

Polyester Taffeta lining 

Insotect Flow™ construction

Quilted construction

650 fill DownTek™ - a water repellent down that uses a PFC-Free, bluesign™ approved chemistry.

Here’s what other people think.

What’s in a Name?

Informally named by mountain explorer Robert Ormes, Anvil Horn is one of many "unnamed peaks" within the Park Range of the Mount Zirkel Wilderness. Standing at 11,705 feet with 325 feet of prominence, it's ranked the 10th-tallest peak in the range.