20-40 Degree Three-Season Sleeping Bags

Mountain Hardwear Bozeman Flame Sleeping Bag

New for 2015! The 20 degree-rated Mountain Hardwear Bozeman Flame sleeping bag delivers 3-season comfort and performance at a budget-friendly price. A generous cut aids in thermal efficiency without being as restrictive as a traditional mummy bag.

Mountain Hardwear
Bozeman Flame

  • 20 Degree F
  • Thermal Q synthetic
  • Starting at: $108.99
  • Free shipping plus free returns
Mountain Hardwear Bozeman Flame Women's Sleeping Bag

New for 2015! The 20 degree-rated Mountain Hardwear Bozeman Flame Women’s sleeping bag delivers 3-season comfort and performance at a budget-friendly price. A generous cut helps keep you warm without being as restrictive as a traditional mummy bag.

Mountain Hardwear
Bozeman Flame Women's

  • 20 Degree F
  • Thermal Q synthetic
  • Starting at: $108.99
  • Free shipping plus free returns
Marmot Trestles 30 Degree Sleeping Bag

The Marmot Trestles 30 Degree sleeping bag is an affordable, no-frills offering for three-season camping. The synthetic fill makes this mummy bag a good option even in damp or humid conditions.

Marmot
Trestles 30 Degree

  • 30 Degree F
  • Spirafil 120 Synthetic
  • Rating:
  • Starting at: $98.95
  • Free shipping plus free returns
Kelty Callisto 20 Degree Sleeping Bag

A feature-rich option for 3-season camping, the Kelty Callisto 20 Degree sleeping bag employs a roomy rectangular cut and pillowy synthetic insulation to provide reliable performance.

Kelty
Callisto 20 Degree

  • 20 Degrees F
  • CloudLoft Synthetic
  • Reg. Price: $79.95
    $67.95
  • Free shipping plus free returns
Therm-a-Rest Regulus 40 Degree Blanket

Ideal for fast and light backpacking trips, the Regulus 40 Degree Blanket offers unrestricted freedom of movement and can be used with any sleeping pad (sold separately) to create an ultra-lightweight sleep system.

Therm-a-Rest
Regulus 40 Degree Blanket

  • 40 Degrees F
  • EraLoft Synthetic
  • Starting at: $149.95
  • Free shipping plus free returns
Big Agnes Lost Lake SL 30 Degree Sleeping Bag

Delivering the all-condition reliability associated with synthetic insulation and the lightweight, compressible performance of down, the Big Agnes Lost Lake SL 30 Degree sleeping bag is a high-performance backpacking in mild temperatures.

Big Agnes
Lost Lake SL 30 Degree

  • 30 Degrees F
  • 700-Fill DownTek
  • Starting at: $279.95
  • Free shipping plus free returns
Big Agnes Juniper SL Women's 25 Degree Sleeping Bag

Delivering the all-weather reliability associated with synthetic insulation and the lightweight compressibility of down, the Big Agnes Juniper SL Women's 25 Degree sleeping bag is ideal for backpacking in summer or mild temperatures.

Big Agnes
Juniper SL Women's 25 Degree

  • 25 Degrees F
  • 700-Fill DownTek
  • Starting at: $279.95
  • Free shipping plus free returns
Kelty Callisto 35 Degree (2014) Sleeping Bag

A feature-rich option for warm-weather camping, the Kelty Callisto 35 Degree sleeping bag employs a roomy rectangular cut and reliable performance with pillowy synthetic insulation.

Kelty
Callisto 35 Degree (2014)

  • 35 Degrees F
  • CloudLoft Synthetic
  • Rating:
  • Reg. Price: $69.95
    $59.49
  • Free shipping plus free returns
Marmot Plasma 40 Degree (2014) Sleeping Bag

Weighing just over a pound and featuring premium 875+ fill power goose down insulation, the high-performance Marmot Plasma 40 Degree down sleeping bag is ideal for warm weather backpacking.

Marmot
Plasma 40 Degree (2014)

  • 40 Degrees F
  • 875+ Fill Power Goose Down
  • Starting at: $478.95
  • Free shipping plus free returns
Marmot Plasma 30 Degree (2014) Sleeping Bag

Weighing less than a pound and a half and featuring premium 875+ fill power goose down insulation, the high-performance Marmot Plasma 30 Degree down sleeping bag offers mild weather backpacking versatility!

Marmot
Plasma 30 Degree (2014)

  • 30 Degrees F
  • 875+ Fill Power Goose Down
  • Starting at: $578.95
  • Free shipping plus free returns
Marmot Atom 40 Degree (2014) Sleeping Bag

Weighing well under 2 lbs and featuring 850+ fill power down insulation, the compact Marmot Atom 40 Degree sleeping bag is an ideal choice for high-performance backpacking in summer or warm climates.

Marmot
Atom 40 Degree (2014)

  • 40 Degrees F
  • 850+ Fill Power Goose Down
  • Starting at: $298.95
  • Free shipping plus free returns
Sierra Designs Mobile Mummy 800F 2 Season  Sleeping Bag

New for 2014! With “garment-style” construction, the innovative Sierra Designs Mobile Mummy 800F 2-Season sleeping bag includes armholes, a jacket-style hood and a stowable footbox so you can literally wear it around camp.

Sierra Designs
Mobile Mummy 800F 2 Season

  • 30 Degrees F
  • 800 Fill Duck DriDown
  • Starting at: $349.90
  • Free shipping plus free returns
Therm-a-Rest Auriga Down Blanket

Ideal for fast and light backpacking trips, the Therm-a-Rest Auriga Down Blanket offers unrestricted freedom of movement and can be used to create an ultra-lightweight sleep system.

Therm-a-Rest
Auriga Down Blanket

  • 35 - 40 Degrees F
  • Box-baffeled 750 fill down
  • Rating:
  • Starting at: $269.95
  • Free shipping plus free returns
Kelty Women's Cosmic Down 20 Degree (2015) Sleeping Bag

Updated for 2015! The Kelty Women’s Cosmic Down 20 Degree sleeping bag is designed for 3-season backpacking and camping. Hydrophobic DriDown fill and an array of features make the affordable Cosmic Down 20 Degree a real bargain.

Kelty
Women's Cosmic Down 20 Degree (2015)

  • 20 Degree F
  • 550 Fill-Power DriDown
  • Price: $199.95
  • Free shipping plus free returns
Kelty Women's Dualist 33 Degree Sleeping Bag

New for 2015! Utilizing both hydrophobic DriDown fill and ThermaPro advanced synthetic fiber blend to create an extremely versatile and comfortable hybrid insulation, the Kelty Women’s Dualist 33 Degree sleeping bag offers affordable performance.

Kelty
Women's Dualist 33 Degree

  • 33 Degree F
  • 550 Fill-Power DriDown
  • Price: $149.95
  • Free shipping plus free returns
Big Agnes Zirkel UL 20 Degree (2015) Sleeping Bag

Updated for 2015! The high-performance Big Agnes Zirkel UL 20 Degree sleeping bag delivers the all-weather reliability normally associated with synthetic insulation and the lightweight, compressible performance of down.

Big Agnes
Zirkel UL 20 Degree (2015)

  • 20 Degree F
  • 850 DownTek Fill
  • Starting at: $449.95
  • Free shipping plus free returns
NEMO Women's Celesta 25 Degree Sleeping Bag

New for 2015! An excellent option for side sleepers or anyone who likes a little room to move, the NEMO Women’s Celesta 25 Degree sleeping bag utilizes NEMO’s unique Spoon Shape design to provide female backpackers with 3-season performance.

NEMO
Women's Celesta 25 Degree

  • 25 Degree F
  • Stratofiber Synthetic insulation
  • Starting at: $219.95
  • Free shipping plus free returns
NEMO Tango Solo 30 Degree Sleeping Bag

New for 2015! The NEMO Tango Solo 30 Degree sleeping bag is lightweight, roomy, and comfortable. Warm, compressible 700-fill treated down insulation and a weight-saving design enable the bag to weigh in at less than 2 pounds and pack down small.

NEMO
Tango Solo 30 Degree

  • 30 Degree F
  • 700 Fill Power Duck Down w/DownTek
  • Price: $299.95
  • Free shipping plus free returns
NEMO Tango Solo 30 Degree and Slipcover

New for 2015! A plush, but lightweight set up for backcountry adventures, the NEMO Tango Solo 30 Degree and Slipcover combine the warmth and compressibility of a 700-fill insulated sleeping bag and soft and washable backcountry bedding!

NEMO
Tango Solo 30 Degree and Slipcover

  • 30 Degree F
  • 700 Fill Power Duck Down w/DownTek
  • Price: $329.95
  • Free shipping plus free returns
Marmot Electrum 30 Degree Sleeping Bag

New for 2015! Featuring a body-mapped mix of synthetic and hydrophobic down insulations, the Marmot Electrum 30 Degree sleeping bag expertly balances thermal efficiency, weight and comfort for multi-season backpacking and camping.

Marmot
Electrum 30 Degree

  • 30 Degree F
  • 700 Fill Down/Thermal R Micro Synthetic
  • Starting at: $158.95
  • Free shipping plus free returns
Mountainsmith Arapaho 20 Degree Sleeping Bag

New for 2015! The Mountainsmith Arapaho 20 Degree sleeping bag offers reliable warmth and performance features at a budget-friendly price. A relaxed mummy cut and synthetic fill make the bag ideal for 3-season camping.

Mountainsmith
Arapaho 20 Degree

  • 20 Degree F
  • MountainLoft synthetic fill
  • Price: $129.95
  • Free shipping plus free returns
Mountainsmith Ptarmigan 35 Degree Sleeping Bag

New for 2015! The Mountainsmith Ptarmigan 35 Degree sleeping bag offers lightweight, performance features at a budget-friendly price. A relaxed mummy cut and synthetic fill make the bag ideal for mild-weather camping or backpacking.

Mountainsmith
Ptarmigan 35 Degree

  • 35 Degree F
  • MountainLoft synthetic fill
  • Price: $119.95
  • Free shipping plus free returns
Sierra Designs Mobile Mummy SYN 2.5 Season Sleeping Bag

New for 2015! The Sierra Designs Mobile Mummy SYN 2.5 Season sleeping bag includes armholes, a jacket-style hood and a stowable footbox so you can actually wear it around camp. Synthetic insulation delivers reliable, cost-effective performance.

Sierra Designs
Mobile Mummy SYN 2.5 Season

  • 24 Degree F
  • Poly-Fiber Synthetic
  • Starting at: $199.95
  • Free shipping plus free returns
Sierra Designs Backcountry Bed Duo 600 2 Season Double-Wide Sleeping Bag

New for 2015! With a roomy, double-wide design, the Sierra Designs Backcountry Bed Duo 600F 2-Season zipperless sleeping bag grants couples a plush night of sleep. Featuring water-resistant down insulation, the bag offers all-weather performance.

Sierra Designs
Backcountry Bed Duo 600 2 Season

  • 37 Degrees F (approx.)
  • 600 Fill Duck DriDown
  • Price: $499.95
  • Free shipping plus free returns
Kelty Cosmic Down 20 Degree (2014) Sleeping Bag

The Kelty Cosmic Down 20 Degree sleeping bag is designed for 3-season backpacking and camping. Lightweight, compressible down fill and an array of features make the affordable Cosmic Down 20 Degree a real bargain.

Kelty
Cosmic Down 20 Degree (2014)

  • 20 Degrees F
  • 550 Fill Down
  • Rating:
  • Reg. Price: $159.94
    $119.95
  • Free shipping plus free returns
  • Out of stock.
Kelty Callisto 20 Degree Double-Wide Sleeping Bag

A feature-rich option for 3-season camping, the Kelty Callisto 20 Degree Double-Wide sleeping bag employs a spacious cut for two and reliable synthetic insulation for cool weather family style camping.

Kelty
Callisto 20 Degree Double-Wide

  • 20 Degrees F
  • CloudLoft Synthetic
  • Rating:
  • Reg. Price: $139.95
    $118.95
  • Free shipping plus free returns
  • Out of stock.
Big Agnes Big Creek 30 Degree Double Wide Sleeping Bag

Built for couples, the Big Agnes Big Creek 30 Degree Double-Wide sleeping bag is roomy and comfortable. Compressible insulation allows the Big Creek 30 Degree Double-Wide to pack down small enough for backpacking or for family camping.

Big Agnes
Big Creek 30 Degree Double Wide

  • 30 Degree F
  • SL90 synthetic
  • Rating:
  • Price: $239.95
  • Free shipping plus free returns
  • Out of stock.
Big Agnes Mirror Lake 22 Degree Women's Sleeping Bag

Delivering the all-weather reliability normally associated with synthetic insulation and the lightweight, compressible performance of down, the Big Agnes Mirror Lake 22 Degree Women's sleeping bag is a high-performance option for 3-season backpacking.

Big Agnes
Mirror Lake 22 Degree Women's

  • 22 Degree F
  • 600 DownTek Fill
  • Rating:
  • Starting at: $199.95
  • Free shipping plus free returns
  • Out of stock.
Eagles Nest Outfitters Vesta TopQuilt

New for 2015! Designed to fit snugly across the top of your Eagles Nest Outfitters (ENO) hammock (sold separately) and offer the warmth of a 3-season sleeping bag for your topside, the ENO Vesta TopQuilt extends your hammock camping season.

Eagles Nest Outfitters
Vesta TopQuilt

  • 36 to 45 Degree F
  • Primaloft Insulation
  • Reg. Price: $169.95
    $135.95
  • Free shipping plus free returns
  • Out of stock.
Big Agnes Hog Park 20 Degree Long Sleeping Bag

The synthetic Big Agnes Hog Park 20 Degree Sleeping Bag is an extra-roomy option for car camping. The Hog Park's generous cut fits large campers up to 6' 6" with a chest size up to 56" or anyone who wants some extra room to roll around.

Big Agnes
Hog Park 20 Degree Long

  • 20 Degree F
  • Thermolite Quallofil synthetic
  • Rating:
  • Price: $169.95
  • Free shipping plus free returns
  • Out of stock.
Sierra Designs Backcountry Quilt 800F 2 Season

New for 2014! A lightweight alternative to a sleeping bag, the Sierra Designs Backcountry Quilt 800F 2-Season is not insulated on the bottom in order to fully utilize your sleeping pad for under-body insulation and padding.

Sierra Designs
Backcountry Quilt 800F 2 Season

  • 30 Degrees F
  • 800 Fill Duck DriDown
  • Rating:
  • Price: $319.90
  • Free shipping plus free returns
  • Out of stock.
Mountain Hardwear Petaluma 20 Degree Women's Sleeping Bag

Delivering high quality at a budget-friendly price, the Mountain Hardwear Petaluma 20 Degree Women's sleeping bag is ideal for 3-season camping. The synthetic fill and generous mummy cut offer thermal efficiency and room to move around.

Mountain Hardwear
Petaluma 20 Degree Women's

  • 20 Degree F
  • Thermal.Q synthetic
  • Rating:
  • Reg. Price: $139.95
    $98.49
  • Free shipping plus free returns
  • Out of stock.
Kelty Light Year XP 20 Degree (Discontinued) Sleeping Bag

The Kelty Light Year XP 20 Degree sleeping bag combines performance and affordability. A mummy cut and lightweight, compressible synthetic fill make the Light Year XP 20 Degree bag ideal for 3-season backpacking.

Kelty
Light Year XP 20 Degree (Discontinued)

  • 20 Degree F
  • Ecopet Synthetic
  • Rating:
  • Reg. Price: $159.94
    $94.95
  • Free shipping plus free returns
  • Out of stock.
Lafuma GR 20 Degree (Discontinued) Sleeping Bag

The Lafuma GR 20 Degree sleeping bag is an economical option for three-season backpacking or camping. Synthetic insulation provides the GR 20 Degree bag with reliable warmth even in wet or damp conditions.

Lafuma
GR 20 Degree (Discontinued)

  • 20 Degrees F
  • Rating:
  • Reg. Price: $129.94
    $94.95
  • Free shipping plus free returns
  • Out of stock.
Kelty Cosmic Down 20 Degree (Old Style) Sleeping Bag

The Kelty Cosmic Down 20 Degree sleeping bag is designed for 3-season backpacking and camping. Lightweight, compressible down fill and an array of features make the affordable Cosmic Down 20 Degree a real bargain.

Kelty
Cosmic Down 20 Degree (Old Style)

  • 20 Degree F
  • 550-Fill Power Down
  • Rating:
  • Reg. Price: $129.94
    $99.95
  • Free shipping plus free returns
  • Out of stock.
Marmot Rockaway 35 Degree Sleeping Bag

Generously cut for bigger campers or anyone who appreciates having some room to move around while sleeping, the semi-rectangular Marmot Rockaway 35 Degree sleeping bag is an affordable offering for mild and warm-weather camping.

Marmot
Rockaway 35 Degree

  • 35 Degrees F
  • Spirafil 100 Synthetic
  • Price: $118.95
  • Free shipping plus free returns
  • Out of stock.
Rab Infinity 300 Down Sleeping Bag

Catering to backpackers, fast and light alpine climbers and adventure racers, the Rab Infinity 300 down sleeping bag offers an EN temperature rating around 28 degrees, streamlined performance features and super compressible 850-fill down insulation.

Rab
Infinity 300

  • 28 Degrees F
  • goose down 850 fill power
  • Price: $519.95
  • Free shipping plus free returns
  • Out of stock.
Big Agnes Boot Jack 24 Degree Sleeping Bag

Delivering the all-weather reliability normally associated with synthetic insulation and the lightweight, compressible performance of down, the Big Agnes Boot Jack 24 Degree sleeping bag is a high-performance option for 3-season backpacking.

Big Agnes
Boot Jack 24 Degree

  • 24 Degree F
  • 600 DownTek Fill
  • Starting at: $179.95
  • Free shipping plus free returns
  • Out of stock.
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Down and synthetic bags for three-season backpacking and camping

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    • 20-40 Degree
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        Extremely lightweight and compressible fill material; best suited to dry climates due to reduced performance when wet

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        Affordable alternative to down fill; maintains insulating qualities even when wet

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        Tapered cut shaves weight and increases thermal efficiency

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        Anatomically designed for a women's specific fit with increased insulation in those places where women need it most

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