Sunbeam 15˚

Women's lightweight synthetic fill Big Agnes System bags designed to excel in all conditions

Specs + Sizing

Bag WeightPetite: 3lb / 1.36kg / Regular: 3lb 5oz / 1.50kg
Fill WeightPetite: 30oz / 850g / Regular: 34oz / 964g
Compressed Bag SizePetite: 7.5" x 7.5" / 19 x 19cm / Regular: 7.5" x 8.5" / 19 x 22cm
Stuff Sack SizePetite: L 9" x 20" / L 23 x 51cm / Regular: L 9" x 20" / L 23 x 51cm


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

Our women's bags are designed to drape and contour to your figure for the most thermally efficient and comfortable night's sleep

Streamlined silhouette with ample insulation for women's specific thermal regulation

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

Petite and Regular bags fit 20" - 25" wide pads

Free Range Hood gives you the freedom to lift your head. Jacket-style hood opening contours to the shape of your face for a comfortable, snug fit

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

Pillow Barn – keeps your pillow tucked in tight all night

Internal hood drawcord gives you a secure, cozy fit when cinched

Free Range Footbox -  creates wiggle room for your feet

Rectangular shaped bag

Anti-snag zipper for a smooth, quick zip 

Petite: 60" / 152cm YKK #5 anti snag locking zipper

Regular: 65" / 165cm 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

Nylon ripstop shell fabric with a water repellent finish

Soft, cozy polyester lining

FireLine™ ECO Synthetic Insulation - 100% post-consumer recycled polyester. Features low-denier fibers that are tightly woven and provide high loft, compressibility, high weight-to-warmth ratio, and durability

Here’s what other people think.

What’s in a Name?

Sunbeam, CO stands as an unincorporated community in northwestern Colorado between Craig, CO and the Utah border. A post office called Sunbeam was established in 1912 and remained in operation until 1942. The community was named for the ample sunshine received at the townsite.