All-Season Comfort, Zero Bulk - Sleep Warm Anywhere, Anytime
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Color: Black
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Style: Mummy / Envelope Hybrid
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Size: 220 × 75 cm (86" × 29")
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Weight: 0.8kg / 1.8lbs
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Outer Fabric: 190T Tear-Resistant Polyester (Waterproof Shell)
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Inner Lining: Soft 190T Polyester Pongee (Skin-Friendly & Breathable)
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Filling: Hollow Cotton Insulation
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Temperature Range:
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Summer Type: Comfort over 25℃
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Spring/Autumn Type: Comfort 10℃-20℃
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Winter Type: Comfort 0℃-10℃
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Ventilation Features:
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Bottom zipper for adjustable airflow
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Elastic drawstring hood for warmth retention
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Compression Bag: Included, reduces packed volume by half
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Best Use: Camping, hiking, backpacking, and outdoor overnight trips across all seasons
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4-Season Flexibility: Available in multiple weights for summer, spring/autumn, and winter use
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Water-Resistant Shell: 190T polyester keeps out moisture and light rain
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Soft & Breathable: Skin-friendly pongee lining provides maximum comfort
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Thermal Efficiency: Hollow cotton insulation traps heat effectively
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Adjustable Ventilation: Elastic strap hood for cold nights, bottom zipper for warmer weather
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Compact & Portable: Comes with compression sack with tightening straps for easy packing
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Durable Build: Tear-proof outer fabric built for rough outdoor environments
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Lightweight Design: Easy to carry on hikes or backpacking trips
Engineered for year-round outdoor comfort, the 4-Season Mummy Cotton Sleeping Bag combines warmth, breathability, and versatility in one ultralight design. Featuring a durable 190T tear-proof polyester shell and filled with insulating hollow cotton, this sleeping bag reliably keeps you warm whether you're trekking through spring woods, camping in cool autumn nights, or braving light winter chill. The soft 190T polyester pongee lining is gentle against the skin and provides excellent airflow.
Thoughtful details like an elastic adjustable hood and a bottom ventilation zipper let you adapt your sleeping experience to changing temperatures. When it's time to move, the included compression sack shrinks the bag's size by half, making it easy to pack into your backpack or hang from your gear. With comfort-rated models for summer, spring/autumn, and winter, this sleeping bag is your all-in-one solution for cozy nights under the stars - no matter the season.
At Primebay, we’re committed to making your shopping experience seamless and worry-free. Below you’ll find details on how we process and deliver orders within Australia.
Order Processing
Orders are processed within 1–2 business days after payment confirmation.
Once shipped, you’ll receive a confirmation email with tracking details.
Shipping Times
Our products are shipped directly from our trusted suppliers. Delivery times vary depending on the item and supplier location:
Standard Shipping (Australia-wide): 5–10 business days
Remote/Rural Areas: May require additional 3–5 business days
(Note: Delivery times are estimates and may be affected by , weather conditions, or peak holiday periods.)
Shipping Fees
Free standard shipping on all orders.
Tracking Your Order
All orders come with tracking.
Tracking details may take 2–4 business days to update after dispatch.
Incorrect Address
Please ensure your delivery details are correct when placing your order.
Primebay is not responsible for delays or lost parcels due to incorrect addresses.
Delays & Lost Packages
If your order has not arrived within 30 business days, please contact us at for assistance.
In the case of a lost package, we’ll send a replacement or issue a full refund.
Warranty & Returns
1. Change of Mind Returns
We offer a 30-day Change of Mind return policy, giving you confidence when shopping with us.
If you change your mind about your purchase, you can return your item within 30 days of receiving it for a full refund.
To be eligible for a Change of Mind return:
The item must be unused, unworn, and in its original packaging (including all accessories, tags, and manuals).
You must provide a receipt or proof of purchase.
No restocking fees apply.
Return postage for Change of Mind returns may be at the buyer’s expense, unless otherwise stated.
Please contact us before sending your return to obtain instructions and ensure smooth processing.
2. Warranty & Faulty Items
All our products are covered by a 12-month warranty against manufacturing defects.
If your item develops a fault within the warranty period, please contact us so we can assist with a repair, replacement, or refund, in line with the Australian Consumer Law (ACCC Consumer Guarantees).
To process a warranty claim, you may be asked to provide:
A detailed description of the issue, and
Clear photos or videos showing the fault.
Please note that warranty claims do not apply to damage caused by misuse, neglect, or normal wear and tear.
3. Need Help?
If you have any questions about returns or warranty claims, please contact our customer service team — we’re happy to help.