


SunTherm MS300 Synthetic Sleeping Bag 45.9°F / 7.7°C
Experience the lightweight comfort of the Cloubay MS Series MS300 Envelope Sleeping Bag .
Experience the lightweight comfort of the Cloubay MS Series MS300 Envelope Sleeping Bag . Weighing just 1.63kg and featuring a 7.7°C comfort temperature , it’s ideal for summer camping, glamping, and indoor use.
- Made with skin-friendly 210T Pongee fabric and premium SUNDOUCE polyester fill, it offers excellent breathability and moisture resistance.
- The fully openable design and left-side zipper allow for versatile use and easy splicing into a double sleeping bag.
- Machine washable and compact, the MS300 is your perfect all-season companion.
- Key Features: Lightweight & 7.7°C Comfort Rating: Weighs only 1.63kg, with a 7.7°C comfort temperature—perfect for mild summer nights and spring camping.
| Weight | 2.00 kg / 4.41 lb |
| Comfort rating | 45.9°F / 7.7°C |
| Season | 3-season |
| Model | CB-SL-29568 |
| Ships from | Global warehouses (US · EU · CN) |
| Warranty | 3-year limited warranty |
In-stock orders leave our nearest warehouse within 24 business hours. US 2–5 days, EU/UK 3–6 days, AU/NZ 4–8 days. Orders over $99 ship free and delivered duties paid — the price you see at checkout is the price you pay.
Returns are open for 60 nights from delivery. Unused gear in original packaging gets a full refund; used gear in resalable condition gets a full refund minus return shipping.
Covered by a 3-year limited warranty against defects in materials and workmanship. Beyond that, our lifetime repair program will fix it at cost — poles, sliders, valves, buckles and fly panels are stocked for the life of the model plus five years.

