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Images: Mountain Equipment and its retailers. Used for product identification.

Mountain Equipment

Mountain Equipment Olympus 450

Mountain Equipment's entry-level down bag: 940 g, comfort 1 °C, from £140 discounted.

Weight
940 g
Comfort
+1 °Cbrand's own figure
Packed
25 × 22 × 21 cm

Best price found

£140

at Trekitt · RRP £200.00 · Previous Medieval Blue colour

View Deal
  • HardloopIn stock · RRP £260.90 · was £260.90£214.10View Deal
  • Mountain EquipmentOut of stock at check · Coming soon · Direct from maker£220View Deal
  • AlpinetrekIn stock£231.95View Deal

Prices checked 31 October 2026. We may earn a commission on these links.

  • 600 FP down
  • RDS down
  • Box-wall baffles
  • Zip baffle
  • Neck collar

Specifications

Weight
940 g (regular (fits to 182 cm); Long 970 g)
Packed size
25 × 22 × 21 cm
Comfort
Comfort +1 °C / limit -5 °C
Fill
600 FP duck down, 440 g fill
Shell & construction
Outer: HELIUM 30D, PFAS-free DWR. Lining: Supersoft 30D, PFAS-free DWR; slanted box-wall baffles
Rating Standard
Standard not stated by maker
Fill Note
80/20 pure duck down, RDS certified and traceable through DOWN CODEX. Long 464 g. Extreme -22 °C.
Season
2-3 season
Zip
140 cm side zip with Simplified Gemini zip baffle and neck collar
Manufacturer page →

Pros & cons

  • Comfort 1 °C / limit -5 °C covers UK camping from late spring to early autumn
  • Box-wall baffles, zip baffle and neck collar usually seen on pricier bags
  • RDS duck down from Mountain Equipment, discounted to £140 at Trekitt
  • 940 g and a 25 × 22 × 21 cm pack are bulky next to 800–900 FP bags
  • No independent editorial review found; maker stock shows 'coming soon'

Sources for this product

  1. 1Mountain Equipment product page
  2. 2Trekitt listing
  3. 3Hardloop listing
  4. 4Alpinetrek listing

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