CORE Equipment – Core Equipment

Warm Weather Sleeping Bag Liner

Warm Weather Sleeping Bag Liner - Main image
$20.15 $27.99 In stock

Category: Sleeping Bags

  • COMFORT CLEAN: Keep your sleeping bag clean and extend its life by using this liner as a protective layer.
  • STAY WARM: The liner with no fill adds an extra layer of warmth without the extra bulk, making it perfect for chilly nights.
  • COMPATIBLE: This liner is designed to seamlessly integrate with the CORE oversized and hybrid sleeping bags, which feature loops that are ready to be easily attached to this liner's toggles, providing a no-slip connection.
  • EASY ATTACHMENT: Quick to attach and detach, this liner is a breeze to use for simple removal or cleaning, so you can focus on enjoying your outdoor adventure.
  • MACHINE WASHABLE: Made with durable and soft fabrics to keep you cozy on your adventures, and when you get home, no need to worry about any mess - it's machine washable and easy to care for!
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Aurora W. ★★★★★

The "no fill" design surprised me—it adds noticeable warmth without turning my bag into a bulky mess. Packed down tight and slipped in easily after a long day of hiking, and I slept through a cold night without waking up once.

Ryan Z. ★★★★★

This liner slides right inside my bag and adds that extra layer of warmth without making everything bulky. I love that it keeps the inside of my sleeping bag clean, so I don’t have to wash the whole thing as often.

Elizabeth ★★★★★

The no-fill design is perfect—it adds warmth without making the bag feel like a giant marshmallow to pack. Slipped it in before a chilly trip and slept comfortably, plus my bag stays cleaner between washes. For the price, it's a solid upgrade to any setup.