Buffalo Park 40  OB

Buffalo Park 40 OB

Big Agnes Returns

  • $104.97
  • Save $44

Park Series Synthetic bags are cut tall and wide, ideal for campers of a larger stature, barrel-chested strong men, or for folks who just want more room to move around at night. Ideal for hunting camps, base camping, or road-tripping. Slip one of our 25€� wide pads into these Big Agnes System bags, which utilize our full pad sleeve design. With double zippers and top corner hand pockets that feel just like your comforter at home, the Park bags€™ unique quilt-like construction turns your bag into a backcountry bed. So comfortable,you won€™t want to go home!

Specs + Sizing

Stuff Sack Size M 8in x 17.5in / M 20 x 45cm
Shoulder Girth 80.5in / 204cm
Hip Girth 75in / 190cm
Head Height
Foot Girth 66in / 168cm
Fill Weight 21oz / 595g
Compressed Bag Size 8in x 10in / 20 x 25cm
Bag Weight 2lb 15oz / 1.33kg



Park bags' unique quilt-like construction turns your bag into a backcountry bed

Wrap the top of the bag around your shoulders like you do with your comforter at home

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

Pillow Barn keeps your pillow tucked in tight all night

Rectangular shaped bag

Integrated full pad sleeve

Super durable lightweight shell and cozy cotton liner

Stretch fabric panels on the side of the pad sleeve accommodate different pad thicknesses

Double zippers allow entry from either side of bag and when unzipped allows top of bag to be used like a comforter

2 x 62/157cm YKK #8 zipper

Mate together left and right zip bags

Interior fabric loops for sleeping bag liners

Exterior loops for hang drying or storage

Nylon stuff sack

Construction + Materials

Nylon taffeta shell fabric with water repellent finish

Cotton/Polyester lining

Thermolite® Extra - a simulated down material that offers plush warmth and softness