Mountain Equipment


Mountain Equipment Starlight I Synthetic Sleeping Bag - Regular Length


A fully specified bag yet weighing less than a kilo. Ideal for summer-time adventures and hut-to-hut tours.

  • POLARLOFT® insulation
  • Helium™ 30D outer fabric is durable and comfortable
  • Offset layer construction throughout
  • Alpine fit maximises thermal efficiency
  • Anatomically shaped hood and foot-box
  • Full length zip baffle and integrated collar
  • Supplied with lightweight compression sack
  • Weight : 890g / 31.4oz
  • Good Night's Sleep Temperature:  5°C/41°F
  • Comfort:  9°C/48°F
  • Comfort Limit:  5°C/41°F
  • Extreme:  -9°C/16°F
  • Total Weight:  890g / 31.4oz


  • Polarloft

    Synthetic insulation that offers an excellent warmth-to-weight ratio, small pack size, and performance optimised for its intended use.

  • Fair Wear

    Together with Fair Wear Foundation (FWF), Mountain Equipment are working to achieve fair working conditions worldwide.

  • Helium

    Helium fabrics are exceptionally light, compressible and soft. Their densely woven construction ensures the highest levels of down-proofing and wind resistance.

  • A Good Night's Sleep Guaranteed

    So confident are we that our sleeping bags will keep your warm and comfortable, that in addition to the EN13537/ISO23537 laboratory ratings we quote, every Mountain Equipment sleeping bag comes with a separate ‘A Good Night’s Sleep Guaranteed’ temperature rating.


Regular Long
Length Inside (a) 190cm/75in 205cm/81in
Max Width Inside (b) 75cm/30in 75cm/30in
Inside Foot Width (c) 50cm/20in 50cm/20in
Max User Height 185cm/73in 200cm/79in
Total Bag Weight 1070g/38oz 1110g/39.2oz
Total Fill Weight 582g/21oz 609g/21oz
Packed HxWxD 26x23x20cm/10x9x8in 26x23x21cm/10x9x8in