-4°C

Big Agnes Womens Sidney SL 25 Down Sleeping Bag

-4°C Comfort Limit, 595g of 650 Fill Power DownTek (US Method)
Weighs 992g (Regular bag)
Code: DSAW17517V
  • Now From £229.99
  • (FREE UK & EU Delivery)
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28 Day Returns Policy Provided the item is returned unused and in its original condition

The women's Big Agnes Sidney SL 25 is a Superlight down fill traditional mummy bag with a removable pad sleeve that transforms your bag into a Big Agnes System bag. No more sliding off your mat!

Big Agnes says:

The women's Sidney SL 25 sleeping bag features a first of its kind customizable fit system with exterior hook and loop closures, so you make the call on a comfortable length and width depending on how you sleep or what the temperature is. This bag also features the patent-pending REM Pad Sleeve™; clip the stuff sack to the back of the bag and slide your pad in to ensure you won't roll off during the night.  With soft, technical fabrics, an anti-snag zipper draft tube, and 650 fill power DownTek™ insulation, this bag's versatility is ready to tackle peaks, canyons, and all the roads less traveled. Rest easy, mama.

The women's Big Agnes Sidney SL 25 is a Superlight down fill traditional mummy bag with a removable pad sleeve that allows you to easily attach your mat to the bag. The half sleeve design keeps you securely attached to the pad from the hips up while allowing freedom of movement for your legs.

This women's bag also features a unique exterior cinch system which allows for a customized fit to prevent cold air spots, maximising warmth and mobility without sacrificing weight.

Down sleeping bag insulation has long been the favourite of backpackers and mountaineers due to it's relative light weight and ability to pack down small. While down bags generally cost more and require more care to keep dry in humid conditions, the soft feel of down is unsurpassed and extremely popular. This Big Agnes sleeping bag features DownTek water repellent down insulation which repels water while maintaining it's loft and insulation value.

- Reviewed by BasecampGear

Please note: This item is stored offsite and is not available for next working day delivery.

  • A pioneer among women's bags, this is the first of its kind to offer customizable fit to prevent cold air spots
  • Traditional mummy shape allows for light weight and increased thermal value
  • These bags offer a Big Agnes System option by using the included REM Pad Sleeve™ to secure your bag to the pad
  • The REM Pad Sleeve™ also doubles as a storage sack
  • Vertically structured side walls integrating contoured flow baffles trap heat closer to the body
  • Vaulted foot box creates more wiggle room for your feet
  • Contoured hood baffles cradle the head for a more comfortable fit
  • Oversized interior anti draft collar
  • Unique exterior cinch system allows for a customized fit maximizing warmth and mobility without sacrificing weight and trapping more heat closer to the body
  • Superlight shell fabric with high tear strength featuring our own Big Agnes custom print
  • Interior zippered stash pocket
  • DownTek™ water repellent down repels water while maintaining insulating value
  • Low profile cordlock lets you un-cinch the hood with one hand
  • Zipper Garage
  • Interior fabric loops for sleeping bag liners
  • Exterior loops for hang drying or storage
  • Mesh storage sack & nylon stuff sack
  • Mate together left and right zip bags within same bag series

Big Agnes specs

ShortRegular
  • Weight: 2lb 1oz / 936g
  • Stuff sack size: 7.5in x 15in / 19 x 38cm
  • Compressed bag size: 5.5in x 8in / 14 x 20cm
  • Shoulder girth: 53in / 135cm
  • Hip girth: 54in / 137cm
  • Foot girth: 34in / 86cm
  • YKK #8 zipper (right): 60in / 152cm
  • Fill weight: 18oz / 500g
  • Fits up to 165cm
  • Pad size needed: Any 20"/51cm wide pad
  • Works with: Mummy or rectangular pads
  • Weight: 2lb 3oz / 992g
  • Stuff sack size: 7.5in x 15in / 19 x 38cm
  • Compressed bag size:  6.5inx 8in / 17 x 20cm
  • Shoulder girth: 55in / 140cm
  • Hip girth: 56in / 142cm
  • Foot girth: 34in / 86cm
  • YKK #8 zipper (right): 70in / 178cm
  • Fill weight: 19oz / 530g
  • Fits up to 178cm
  • Pad size needed: Any 20"/51cm wide pad
  • Works with: Mummy or rectangular pads

 Construction & Materials

  • Nylon rip-stop shell fabric with a water repellent finish
  • Nylon Taffeta lining
  • Insotect Flow™ construction
  • 650 fill DownTek™ water repellent down
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