Skip to content
  • 🔥 Unbeatable prices, unbeatable quality! 🔥
  • 🔥 Unbeatable prices, unbeatable quality! 🔥
Outdoor CampingOutdoor Camping
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • Tents
    • Tent Accessories
    • 3 Season Tents
    • Tent Footprints
    • 4 Season Tents
    • Tarps & Wings
    • Bug Shelters
    • Hammocks
    • Bivies
    • Ultralight Tents
  • Sleeping Pads
    • Air Pads
    • Self Inflating Pads
    • Accessories
    • Travel & Camping Pillows
    • Cots
    • Chair Kits & Seating
    • Closed Cell Pads
  • Sleeping Bags
    • Synthetic Sleeping Bags
    • Down Sleeping Bags
    • Bag Liners
    • Quilts & Blankets
    • Sleeping Bag Accessories
  • Trekking Poles
    • Trekking Poles
    • Accessories
    • Single Staffs
  • Kitchen
    • Cookware
    • Stove Parts & Accessories
    • Utensils
    • Titanium Cookware
    • Camp Stoves & Grills
    • Energy Food
    • Alcohol & Wood Stoves
    • Kitchen Accessories
    • Coffee & Tea
    • Plates & Bowls
    • Cups & Mugs
    • Backpacking Meals
    • Beer & Spirits
    • Canister Stoves
Sleeping Bags / Synthetic Sleeping Bags
Sale!
Kelty Cosmic Synthetic 40
Kelty Cosmic Synthetic 40 - Image 2
Kelty Cosmic Synthetic 40 - Image 3
Kelty Cosmic Synthetic 40 - Image 4
Kelty Cosmic Synthetic 40 -Outdoor Camping 35428820rr alt01 cosmicsynthetic40 web kl2020 52026.1626823161
Kelty Cosmic Synthetic 40 -Outdoor Camping 35428820rr alt03 cosmicsynthetic40 web kl2020 07965.1626823163
Kelty Cosmic Synthetic 40 -Outdoor Camping 35428820rr alt02 cosmicsynthetic40 web kl2020 75969.1626823145

Kelty Cosmic Synthetic 40

$89.95 Original price was: $89.95.$62.97Current price is: $62.97.

Clear
SKU: YMFJA 6436 Categories: Sleeping Bags, Synthetic Sleeping Bags Tags: Kelty, Synthetic Sleeping Bags
  • Quality products for every lifestyle.
  • Free and fast shipping worldwide
  • Experience Quality, Shop with Us
  • Shop with Confidence, Pay Safely
Browse
  • Kitchen
    • Alcohol & Wood Stoves
    • Backpacking Meals
    • Beer & Spirits
    • Camp Stoves & Grills
    • Canister Stoves
    • Coffee & Tea
    • Cookware
    • Cups & Mugs
    • Energy Food
    • Kitchen Accessories
    • Plates & Bowls
    • Stove Parts & Accessories
    • Titanium Cookware
    • Utensils
  • Sleeping Bags
    • Bag Liners
    • Down Sleeping Bags
    • Quilts & Blankets
    • Sleeping Bag Accessories
    • Synthetic Sleeping Bags
  • Sleeping Pads
    • Accessories
    • Air Pads
    • Chair Kits & Seating
    • Closed Cell Pads
    • Cots
    • Self Inflating Pads
    • Travel & Camping Pillows
  • Tents
    • 3 Season Tents
    • 4 Season Tents
    • Bivies
    • Bug Shelters
    • Hammocks
    • Tarps & Wings
    • Tent Accessories
    • Tent Footprints
    • Ultralight Tents
  • Trekking Poles
    • Accessories
    • Single Staffs
    • Trekking Poles
  • Description
  • Additional information
  • Reviews (0)

The (backpacking) intersection of lightweight and warm.

Let’s face it – when is backpacking ever actually easy? While we can’t take the pain out of your elevation gain, we CAN ensure your time on the trail is comfortable with the new Cosmic Synthetic sleeping bag. This 3-season superstar features Kelty’s new CirroLoft insulation for lightweight, compressible warmth.

Other Features:
• Environmental & health friendly PFC-Free DWR
• New CirroLoft synthetic insulation
• Natural fit spacious footbox=more room to wiggle your toes
• Handy stash pocket for all of your goodies
• Compression stuff sack included
• Right zip
Size

Reg (6 ft. 0 in.) – Right Zip, Long (6 ft. 6 in.) – Right Zip

Brand Name:

Kelty

Temp Rating:

40° F

Seasonal Usage:

Three Season

Temp Rating Celsius:

4° C

Bag Style:

Mummy

Insulation:

CirroLoft

Fill Weight:

Reg: 24 oz. / .68 kgLong: 26.5 oz. / .75 kg

Weight:

2lbs 6 oz.

Other Features:

• Environmental & health friendly PFC-Free DWR• New CirroLoft synthetic insulation• Natural fit spacious footbox=more room to wiggle your toes• Handy stash pocket for all of your goodies• Compression stuff

Bag Length:

Reg: fits users up to 6 ft / 183 cmLong: fits users up to 6 ft 6 in / 198 cm

Bag Stuff Size:

8.5 x 15 in / 22 x 38 cm

Reviews

There are no reviews yet.

Be the first to review “Kelty Cosmic Synthetic 40” Cancel reply

Related products

Sale!
Kelty Late Start 4P
Quick View

3 Season Tents

Kelty Late Start 4P

$229.95 Original price was: $229.95.$95.99Current price is: $95.99.
Sale!
Kelty Wireless 2
Quick View

3 Season Tents

Kelty Wireless 2

$149.95 Original price was: $149.95.$99.99Current price is: $99.99.
Sale!
Kelty Sideroads Awning
Quick View

Tarps & Wings

Kelty Sideroads Awning

$134.95 Original price was: $134.95.$94.47Current price is: $94.47.
Sale!
Kelty Jeanie's Blanket
Quick View

Quilts & Blankets

Kelty Jeanie’s Blanket

$64.95 Original price was: $64.95.$45.47Current price is: $45.47.
Sale!
Nemo Tempo 35 - Men's
Quick View

Sleeping Bags

Nemo Tempo 35 – Men’s

$139.95 Original price was: $139.95.$95.99Current price is: $95.99.
Sale!
Kelty Cordavan Blanket
Quick View

Quilts & Blankets

Kelty Cordavan Blanket

$74.95 Original price was: $74.95.$52.47Current price is: $52.47.
Sale!
Kelty Scree Trekking Poles
Quick View

Trekking Poles

Kelty Scree Trekking Poles

$69.95 Original price was: $69.95.$48.97Current price is: $48.97.
Sale!
Kelty Grand Mesa 2
Quick View

3 Season Tents

Kelty Grand Mesa 2

$149.95 Original price was: $149.95.$99.99Current price is: $99.99.
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2025 © www.newoutdoorcamp.com
    • Tents
      • Tent Accessories
      • 3 Season Tents
      • Tent Footprints
      • 4 Season Tents
      • Tarps & Wings
      • Bug Shelters
      • Hammocks
      • Bivies
      • Ultralight Tents
    • Sleeping Pads
      • Air Pads
      • Self Inflating Pads
      • Accessories
      • Travel & Camping Pillows
      • Cots
      • Chair Kits & Seating
      • Closed Cell Pads
    • Sleeping Bags
      • Synthetic Sleeping Bags
      • Down Sleeping Bags
      • Bag Liners
      • Quilts & Blankets
      • Sleeping Bag Accessories
    • Trekking Poles
      • Trekking Poles
      • Accessories
      • Single Staffs
    • Kitchen
      • Cookware
      • Stove Parts & Accessories
      • Utensils
      • Titanium Cookware
      • Camp Stoves & Grills
      • Energy Food
      • Alcohol & Wood Stoves
      • Kitchen Accessories
      • Coffee & Tea
      • Plates & Bowls
      • Cups & Mugs
      • Backpacking Meals
      • Beer & Spirits
      • Canister Stoves
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.