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U Series Sleeping Bag

R 799.00
  • Five temperature ratings
  • Draft collar and draft tube
  • Opens flat or connects
Select Model
Select Colour


The U Series covers five temperature ratings from 11 °C down to −3 °C comfort, so you can pick the bag that matches the conditions you actually camp in rather than over- or under-buying. All five carry full EN ratings, and all five have a draft collar and a full-length draft tube behind the zip, which is where most synthetic bags leak heat.

Best for
Campers who want a specific temperature rating and the durability of a synthetic fill, which handles damp better than down and washes at home.

Not ideal for
Hiking where weight is critical. These run from 1.1 kg to 1.7 kg, so a down bag saves considerable weight for the same warmth.

Additional features
- Water-repellent outer fabric handles condensation and contact with a wet tent wall
- Hood adds 30 cm above the 190 cm body length
- Two fill types: hollow fibre, and a microfibre that gives more warmth for the same weight
- Zip opens fully so the bag lies flat as a quilt


Models available, warmest last
U150 / U250 / U350 / U250s / U350s

Shape

Rectangular with hood

Temperature ratings and seasons

U150 — Comfort 11 °C, Limit 7 °C, Extreme −6 °C. Summer

U250 — Comfort 6 °C, Limit 3 °C, Extreme −10 °C. 3-Season

U350 — Comfort 1 °C, Limit −2 °C, Extreme −13 °C. 3-Season

U250s — Comfort 0 °C, Limit −3 °C, Extreme −14 °C. 3-Season

U350s — Comfort −3 °C, Limit −6 °C, Extreme −17 °C. 4-Season

Dimensions
Body: 190 × 75 cm
Hood: additional 30 cm
Total length: 220 cm

Packed size
U150: 43 × ø22 cm
U250 and U250s: 43 × ø25 cm
U350 and U350s: 44 × ø27 cm

Weight
U150: ±1,100 g
U250 and U250s: ±1,500 g
U350 and U350s: ±1,700 g

Zip
Opens fully to lie flat. Two bags can be connected, subject to matching zips being in stock

Sleeping bag specs explained →

Shell
190T polyester with water-repellent coating

Lining
190T polyester pongee

Filling
U150: 150 g/m² hollow-fibre polyester
U250: 250 g/m² hollow-fibre polyester
U350: 350 g/m² hollow-fibre polyester
U250s: 250 g/m² microfibre polyester
U350s: 350 g/m² microfibre polyester

We aim to keep delivery simple and transparent.

Enjoy free standard shipping on orders of R1999 or more anywhere in South Africa. For delivery options, timelines, and regional details, please refer to our full shipping policy.

If something isn’t quite right, you can return unused items within 10 days of delivery, provided they meet our returns criteria. Full details are available in our returns policy.

We stand behind the quality of our gear.

All Naturehike products are covered by a 1-year warranty against factory defects, giving you peace of mind on every adventure. If you experience an issue, you can log a warranty or return request here →

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