Coleman Big Bay 0/20/40°F Cold-Weather Sleeping Bag, Adult Mummy Sleeping Bag with Headrest, Foot Ventilation, & Storage Sack, Big & Tall Options

Eco-Conscious Insulation

100% post-consumer-recycled Ecotherm fill.

Rectangle or Mummy Shape

Rectangle shape gives you room to stretch and fits a cot. Check out our mummy shape if you’re looking for a more snug fit.

Thermolock Draft Tube

Thermolock draft tube along the zipper keeps body heat from escaping: stay warm in temperatures as low as 20°F.

Fiberlock Construction

Keeps insulation from shifting.

Available in Big & Tall

Our standard sleeping bags fit campers up to 5 ft 11 in — check out our Big & Tall sleeping bags for campers up to 6 ft 5 in.

No Snag Zipper

Patented 2-way ZipPlow system avoids fabric snagging during zipping.

Roll Control

Simplifies packing by locking the edges of the bag together to keep your bag straight as you roll it up.