Yock 0 Regular


Intended for cold weather camping and backpacking, the Big Agnes Yock 0 Degree Sleeping Bag is made to keep you warm and comfortable in all but negative temperatures. It's filled with 600 fill DownTek™ down which is designed to perform better than untreated down in wet or humid conditions. The traditional mummy bag shape keeps heat close to the body, and the draft collar and zipper draft tube team up to keep cold wind from sneaking in.


·         Traditionally insulated bags designed without the integrated pad sleeve found on Big Agnes System bags

·         Traditional mummy shape allows for light weight and increased thermal value

·         Contoured hood follows the shape of your head for a more comfortable fit

·         Low profile cord lock lets you un-cinch the hood with one hand

·         Zipper Garage

·         Liner loops

·         Mate together left and right zip bags

·         Mesh storage sack and nylon stuff sack

·         No-draft collar and No-draft zipper

·         Shell fabric is breathable with water repellent finish

·         Exterior loops for hang drying or storage

·         Nylon rip-stop shell fabric with a water repellent finish

·         Nylon taffeta lining

·         Baffled construction

·         600 Fill DownTek water repellent down

Best Use


Temperature Rating (F)

0 degrees (F)

Temperature Rating (C)

-18 degrees (C)


3 lbs. 7 oz.


Nylon ripstop

Zipper Location


Insulation Type


Water-Resistant Down




Fill Weight

35 ounces


Nylon taffetta

Sleeping Bag Shape


Fits Up To (in.)

70 inches

Shoulder Girth (in.)

60 inches

Hip Girth (in.)

54 inches

Stuff Sack Size

9 x 20 inches

Stuff Sack Volume

20.87 liters

Compressed Volume

10.5 liters