Sleeping Bags

The THERMOLITE Reactor Compact sleeping bag liner is the ideal choice for gram counters under 6 feet who want to add warmth to their sleep system. ...

The THERMOLITE Reactor Extreme is the warmest backpacking knit sleeping bag liner Sea to Summit offers. The hollow fiber yarns work just like the h...

The THERMOLITE Reactor liner is Sea to Summit's top seller in the sleeping bag liner range. It's an excellent cold weather option for those who nee...

The Adaptor COOLMAX sleeping bag liner is an excellent versatile choice that adapts to varied temperatures and humidity. It's ideal for use on its ...

Our Anthracite 20 degree traditional mummy style sleeping bag is designed to be taken anywhere and provide rest after a long day outside. Stay cozy...

Our Women's Anthracite 20 degree traditional mummy style sleeping bag is designed to be taken anywhere and provide rest after a long day outside. S...

Expand your comfort zone in the NEW Torchlight Camp Series. Featuring two expandable panels from shoulders to footbox, this bag increases sleep spa...

The NEW Torchlight series features two expandable panels from shoulders to footbox, increasing sleep space up to 10 extra inches! Depending on your...

The Cat's Meow is a versatile 20-degree bag with a water-repellent finish, recycled shell fabric and a fully insulated hood. This practical design ...

The Snow Leopard Eco, our technical, 5-degree synthetic bag features a 100% recycled shell, water-repellent finish, and a design that maximizes com...

The Roxy Ann 3N1 15 deg sleeping bag is part of our latest evolution of the Big Agnes Sleep System. This modular bag design offers just what you'd ...

The Lost Ranger 3N1 15 deg sleeping bag is part of our latest evolution of the Big Agnes Sleep System. This modular bag design offers just what you...

Traditional mummy bags are designed to be taken anywhere and provide sleep for the weary by providing a cozy fill and a roomier mummy shape than a ...

The Wasatch 30/-1 bag features full-length Heatseeker Eco insulation and a durable water-repellent finish. With a higher temperature rating, this b...

Expand your comfort zone in the NEW Torchlight Camp Series. Featuring two expandable panels from shoulders to footbox, this bag increases sleep spa...

Expand your comfort zone in the NEW Torchlight Camp Series. Featuring two expandable panels from shoulders to footbox, this bag increases sleep spa...

The NEW Women's Torchlight series features an expandable panel to increase space up to 10 extra inches! Depending on your sleep style and body shap...

Traditional mummy bags are designed to be taken anywhere and provide sleep for the weary by providing a cozy fill and a roomier mummy shape than a ...

Our classic Cat's Meow is a 20-degree bag that features lightweight Heatseeker Guide insulation, water-repellent finish and durable fabrics. This u...

Our classic Women's Cat's Meow is a 20-degree bag that features lightweight Heatseeker Guide insulation, water-repellent finish and a women-specifi...