My order arrived quickly and exactly as described. Really impressed with the quality, will definitely be ordering again.
Ultralight Waterproof Sleeping Bag – 4 Season Envelope for Outdoor Hiking
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Simple and practical everyday product
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Designed for convenience and ease of use
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Lightweight and easy to store
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Great gift or personal purchase
Free 30-Day Returns
Product Details
Designed for adult hikers and campers, the Ultralight Waterproof Sleeping Bag offers a compact, 4-season envelope-style solution for outdoor nights. It balances warmth, durability, and packability for trekking and backpacking trips where every gram matters.
Key Features
- Lightweight and compact: weighs around 0.8 kg and includes a compression bag; two tightening straps reduce volume, making it easy to fit in a daypack or multi-day kit.
- Durable, weather-ready shell: 190T tear‑proof polyester with a waterproof outer layer to resist damp ground and light rain; hollow cotton filling provides warmth while remaining breathable.
- Breathable, skin-friendly lining: inner 190T polyester pongee offers a soft feel against skin and helps regulate moisture during sleep.
- Flexible temperature range: designed for summer nights over 25°C and spring/autumn conditions around 10–20°C; winter usability can be achieved with layering and venting features such as the bottom zipper.
- Versatile and expandable: envelope design can be spliced with another bag to form a double sleeping bag; bottom zipper aids ventilation and foot movement for comfort.
Product Details
- Brand: Sponge Traveller
- Item: Envelope sleeping bag
- Type: 4-season sleeping bag
- Product dimensions: 220 × 75 cm (86 × 29 in)
- Net weight: 0.8 kg (1.8 lb)
- Color: Black, Green
- Fabric: 190T anti-tear polyester
- Filling: Hollow cotton
- Comfort temperature: summer > 25°C; spring & autumn ~10–20°C; winter ~0–10°C
- Season: 4-season versatility for varied conditions
- Compression bag: Included with two tightening straps
- Origin: Mainland China
- Special features: Bottom zipper for ventilation; adjustable elastic straps for temperature control; compatible with splicing to form a double bag
Additional Information
Product appearance, packaging, and minor details may vary slightly depending on the supplier or manufacturing batch.
If you have questions about a product before purchasing, please contact our support team and we will be happy to assist.
Shipping + Returns
Orders are processed within 1–4 business days before dispatch. Once shipped, delivery typically takes 7–15 business days depending on your location and demand.
Tracking information will be sent to your email once your order has been dispatched.
We offer a 30-day return window. If your item arrives damaged, defective, or incorrect, please contact our support team within 30 days of delivery and we will assist with a replacement or refund.
For full details, please refer to our Shipping Policy and Returns Policy pages.
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Ultralight Waterproof Sleeping Bag – 4 Season Envelope for Outdoor Hiking
Loved by Our Community
Real results from real parents who trust our sleep solutions.
Chloe B.
Exactly what I expected. Good quality and arrived without any issues. Happy with it.
Brian D.
Really solid for the price. Does what it's meant to and feels well made.
Sophia R.
Arrived on time and matched the description perfectly. Would order again.
Noah T.
Better than I expected honestly. Quality is good and is exactly as advertised.
Mia K.
Fast processing and everything showed up as described. Pretty straightforward.
Ethan J.
This sleepsack has simplified our bedtime routine. It's safe, comfortable, and keeps our baby sleeping soundly through the night.