BISINNA SL077 3‑Season Envelope Sleeping Bag Compact, Warm & Ultra‑Portable
The BISINNA SL077 is a lightweight, comfortable 3 season sleeping bag designed for adults up to 1.8m tall. Built with soft polyester pongee lining and hollow cotton insulation, it delivers reliable warmth across spring, summer and autumn with higher weight options suitable for mild winter conditions. Its envelope style design provides a natural sleeping position, while the included compression sack reduces the packed volume by up to 50%, making it ideal for backpacking, camping, festivals and travel. Available in multiple insulation weights, the SL077 adapts to your climate and comfort needs.
| Specification | BISINNA Ultralight 4-Season Camping Sleeping Bag |
|---|---|
| Sleeping Bag Style | Envelope Design (Full length Zip) |
| Dimensions (Standard) | 220 cm × 75 cm (86.6" × 29.5") |
| Dimensions (Widen) | 230 cm × 90 cm (90.5" × 35.4") |
| Outer Shell Fabric | 210T / 190T Water Resistant Ripstop Polyester |
| Inner Lining | 190T Soft Polyester Pongee |
| Insulation Fill | 400 GSM High Loft Hollow Cotton |
| Temperature Rating | Comfort: 0°C to 10°C (32°F–50°F) / Extreme: -5°C (23°F) |
| Weight Range | 1.35 kg (2.9 lbs) – 1.8 kg (3.9 lbs) |
| Key Features | Unzips to lay flat as a blanket; Left + Right zip coupling for double-bag setup; separate bottom foot ventilation zip |
| Included Accessories | Heavy duty compression sack with adjustable straps |
Shipping & Returns
Estimated Delivery Times:
UK (from UK hub): 4-7 business days
UK (from international hub): 7-15 business days
USA (from US hub): 4-9 business days
USA (from international hub): 12-22 business days
Canada (from US hub): 8-16 business days
Canada (from international hub): 12-22 business days
Order Processing: We operate on a high-efficiency fulfilment schedule to get your gear to you faster. All orders placed before our 9:00 PM (GMT/BST) cut off are processed the same evening.
Once processed, your tracking number will be automatically generated
and sent to your email, with physical dispatch occurring the following
business morning from our nearest regional hub.
Regional Fulfilment:
To ensure the most efficient delivery orders are dispatched from our
nearest fulfilment hub in the UK, USA, or directly from our suppliers,
based on stock availability.
UK Shipping: We are pleased to offer Free Standard Delivery on all domestic orders over £50. For orders under this threshold, a flat shipping rate of £1.99 applies.
International Orders:
We ship globally. Please note that international buyers are responsible
for any applicable import duties or taxes as per their local
regulations.
30-Day Returns: We accept return claims for up to 30 days
after purchase. Items must be in their original, unused condition with
all protective packaging intact to be eligible for a refund or exchange.
Transit Protection: Your order will be carefully packaged to ensure it arrives safely. If your order arrives damaged, please contact support@tekkysui.com within 24 hours of delivery with photographic evidence so we can expedite a replacement.