Sea to Summit Trek III Sleepingbag Down Sea to Summit Trek III Sleepingbag Down
Sea to Summit Trek III Sleepingbag Down Sea to Summit Trek III Sleepingbag Down

Sea to Summit Trek III Sleepingbag Down

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Brand: Sea to Summit
Article number: SEA-TREK3-L
Availability: In stock

The classic tapered rectangular sleeping bag – redefined!

“Sometimes a mummy bag doesn’t fit the bill – a bit too snug, a bit too constricting.
For those who like the extra space and versatility of the classic tapered rectangular
shaped sleeping bag, we have created our Trek series.” Tim Macartney-Snape

Incorporating our 2D PermaShell™ fabric and a premium 650+ Loft ULTRA-DRY Down™, the Trek bags are a refined classic. The 60/40 fill ratio in the Trek bags is maintained using a side block baffle and differential cut shell. In the top of the shell a 3D side wall, a feature normally reserved for technical alpine sleeping bags, provides more space for the down to loft right to the edge of the bag.

An oversized security pocket located inside the bag is easily accessible, ideal for stashing passports and other valuables while travelling. The soft touch lining fabric is down proof by construction and highly breathable offering a comfortable sleep.

The Trek series is our choice for adventure travel and globe-trotting. Whether sleeping in hostels throughout Europe, backpacking South America or discovering the Stirling Ranges in Western Australia.
Tapered rectangular sleeping bags

The tapered rectangular design offers a good compromise between the comfort of a generous cut shape and warmth of a closer fit. A full length side and foot zip allow the Trek series to be opened out into a full duvet for use indoors and warm weather.


TrekIII EN scales
The warmest Trek sleeping bag, an excellent companion for those long cold nights camping out on the trail.

Features: Tapered rectangular; 2D PermaShell™ DWR shell fabric; differential cut shell with 3D side walls; 60/40 fill ratio; side block baffle; zip draft tube with anti-snag; cushioned internal hood draw-cord with dual adjustment; 2 way YKK #5 zips with separate foot zip; large sized internal zip pocket; includes lightweight Ultra-Sil® compression bag and a combined storage cell / laundry bag.

Down: ULTRA-DRY Down™ 650+ Loft 85/15 Premium Duck Down

Fill weight: Short 700g | 25oz Regular 700g | 25oz Long 750g | 26oz

Bag weight: Short 1215g | 2lb 11oz Regular 1255g | 2lb 12oz Long 1340g | 2lb 15oz

Length / zip options: Short – right zip Regular – left or right zip Long – left zip

Season Ratings: Spring/Autumn/Winter-light

Suggested use: Trekking, Travel, Hiking, Camping

Compressed volume*: 7.05 litres

Compression bag: Medium – 15 to 5 litres

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