35 Degree+ Single Season Sleeping Bags

Marmot NanoWave 55 Degree Sleeping Bag

The lightweight, affordably priced NanoWave 55 Degree bag is perfect for summer and warm-weather backpacking! Packing down small and weighing just 1.5 poun

Marmot
NanoWave 55 Degree

  • 55 Degrees F
  • Spirafil 60 Synthetic
  • Starting at: $68.95
  • Free shipping plus free returns
Marmot NanoWave 45 Degree Sleeping Bag

The lightweight, affordably priced NanoWave 45 Degree bag allows you to leave your bulky 3-season sleeping bag behind when the weather turns warm!

Marmot
NanoWave 45 Degree

  • 45 Degrees F
  • Spirafil 60 Synthetic
  • Rating:
  • Starting at: $78.95
  • Free shipping plus free returns
Lafuma Ecrins 40 Degree Junior Sleeping Bag

The economical Lafuma Ecrins 40 Degree Junior sleeping bag equips kids and teens for mild-weather backpacking or camping. Synthetic insulation provides reliable warmth even in wet or damp conditions.

Lafuma
Ecrins 40 Degree Junior

  • 40 Degrees F
  • Aero Fiber Synthetic
  • Reg. Price: $49.95
    $36.95
Lafuma GR 40 Degree (2013) Sleeping Bag

The Lafuma GR 40 Degree sleeping bag is an economical option for mild-weather backpacking or camping. Synthetic insulation provides the GR 40 Degree bag with reliable warmth even in wet or damp conditions.

Lafuma
GR 40 Degree (2013)

  • 40 Degrees F
  • Maxi Loft Fiber Synthetic
  • Rating:
  • Reg. Price: $109.95
    $72.95
  • Free shipping plus free returns
Kelty Tumbler 30/50 Degree Sleeping Bag

New for 2014! Featuring varying insulation levels on opposite sides of the bag, the versatile Kelty Tumbler 30/50 Degree is ideal for summer backpacking and camping in the mountains where nighttime temperatures can be unpredictable.

Kelty
Tumbler 30/50 Degree

  • 30/50 Degrees F
  • CloudLoft Synthetic
  • Price: $84.95
  • Free shipping plus free returns
Mountainsmith Poncha 35 Degree Sleeping Bag

The Mountainsmith Poncha 35 Degree sleeping bag combines performance and affordability. A mummy cut and synthetic fill make the Poncha 35 Degree bag ideal for 3-season camping or backpacking.

Mountainsmith
Poncha 35 Degree

  • 35 Degree F
  • MountainLoft Hollowfiber synthetic
  • Reg. Price: $99.94
    $79.95
  • Free shipping plus free returns
  • Out of stock.
Kelty Callisto 35 Degree (2014) Sleeping Bag

Updated for 2014! 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
  • Price: $69.95
  • Free shipping plus free returns
  • Out of stock.
Mountainsmith Boreas 40 Degree Sleeping Bag

The Mountainsmith Boreas 40 Degree sleeping bag balances reliable performance and affordability. A roomy rectangular cut and synthetic fill make the Boreas 40 Degree a comfortable option for mild-weather camping or backpacking.

Mountainsmith
Boreas 40 Degree

  • 40 Degrees F
  • Synthetic
  • Reg. Price: $89.94
    $71.95
  • Free shipping plus free returns
  • Out of stock.
Marmot NanoWave 50 Degree Semi Rectangular Sleeping Bag

The lightweight NanoWave 50 Semi Rectangular Sleeping Bag is perfect for summer backpacking! Packing down small and weighing just 1.8 pounds, the NanoWave 50 allows you to leave your bulky 3-season bag behind!

Marmot
NanoWave 50 Degree Semi Rectangular

  • 50 Degree F
  • Spirafil 60 Synthetic
  • Rating:
  • Starting at: $78.95
  • Free shipping plus free returns
  • Out of stock.
Kelty Cosmic 35 Degree Sleeping Bag

The Kelty Cosmic 35 Degree sleeping bag is designed for 3-season backpacking and camping. Compressible synthetic fill and a tapered mummy cut make the Cosmic 35 Degree a lightweight, packable bag.

Kelty
Cosmic 35 Degree

  • 35 Degree F
  • CloudLoft Pro Synthetic
  • Rating:
  • Reg. Price: $94.94
    $75.95
  • Free shipping plus free returns
  • Out of stock.
Kelty Little Dipper 40 Degree Junior Sleeping Bag

Kid-friendly quilting patterns and quality features like a built in storage sack and sleeping pad security loops, make Kelty's Little Dipper 40 Degree Junior sleeping bag fun and comfortable for young campers!

Kelty
Little Dipper 40 Degree Junior

  • 40 Degree F
  • CloudLoft Synthetic
  • Price: $59.95
  • Free shipping plus free returns
  • Out of stock.
Kelty Cosmic 35 Degree Women's Sleeping Bag

The Kelty Cosmic 35 Degree Women's sleeping bag is designed for 3-season use. Compressible synthetic fill and a mummy cut make the Cosmic 35 Degree Women's bag a lightweight, packable option for female backpackers or campers.

Kelty
Cosmic 35 Degree Women's

  • 35 Degree F
  • CloudLoft Pro Synthetic
  • Reg. Price: $94.94
    $75.95
  • Free shipping plus free returns
  • Out of stock.
Marmot Mavericks 50 Degree Sleeping Bag

Designed to keep you comfortable in warmer weather, Marmot's affordable Mavericks 50 Degree sleeping bag offers a lightweight layer of synthetic insulation without the added weight and bulk of colder weather bags.

Marmot
Mavericks 50 Degree

  • 50 Degree F
  • Spirafil 80 Synthetic
  • Rating:
  • Starting at: $78.95
  • Free shipping plus free returns
  • Out of stock.
Marmot Mavericks 40 Degree Sleeping Bag

Designed for mild weather, Marmot's budget-friendly Mavericks 40 Degree sleeping bag offers a light layer of synthetic insulation without the added weight and bulk of colder weather bags.

Marmot
Mavericks 40 Degree

  • 40 Degree F
  • Spirafil 135 Synthetic
  • Starting at: $88.95
  • Free shipping plus free returns
  • Out of stock.
Items per page: | Showing 1-14 of 14
Sort by:
Single-Season bags for use in summer or warm climates

Narrow Your Results

Category:

  • Sleeping Bags
    • 35 Degree+
      • Synthetic Fill
        • Mummy Bags (6)

          Tapered cut shaves weight and increases thermal efficiency

        • Rectangular & Semi-Rectangular Bags (8)

          Provides roomy comfort for car and family camping

        • Women's Bags (1)

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

        • Kids Bags (2)

          Adult performance for youth and children

        • Ultra-Lightweight Bags (3)

          Streamlined designs, with lightweight fabrics and fill make these the lightest offerings available

Brand:

Price:

Top Video Results

  • Marmot Sleeping Bag Care   How-to Guide: Marmot Sleeping Bag Care
  • Mountainsmith Synthetic Sleeping Bags   Tech Talk: Mountainsmith Synthetic Sleeping Bags
  • Marmot NanoWave 55 Degree Sleeping Bag   Product Demo: Marmot NanoWave 55 Degree Sleeping Bag