Sea to Summit - Trek TkII - Down sleeping bag

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At a glance

% recommend
100% recommend
Full length zip
Full length zip
Customers say: Easily compressed
Customers say: Easily compressed
Customers say: Lightweight
Customers say: Lightweight
Customers say: Price/performance
Customers say: Price/performance
Three seasons
Three seasons
°C comfort rating
-1°C comfort rating
995 g
Material information & features
Suitable for:
Recommended use:
Travel, Camping, Trekking
Main material:
100% polyamide
100% down
Material note:
Contains non-textile parts of animal
Fabric treatment:
hydrophobic Down
Fill power:
650 cuin
Down-to-feather ratio:
60/40 (down to feather)
Other material information:
Ultra-Dry Down; 15D nylon
contains RDS certified down
side zip
Comfort rating:
-1 °C
Lower limit rating:
-8 °C
Extreme rating:
-25 °C
Three seasons
Dimensions (interior):
max. height Reg: 183cm; max. height Large: 192 cm
995 g
Reference size:
medium size
foot zip; hood with drawstring; connectable
Item No.:
Product description

A warm and comfortable down sleeping bag for backpacking and temps down to around freezing: the Trek TkII from Sea to Summit. Featuring a tough outer shell and water-repellent down insulation, this bag is ready to withstand moisture, be it from the inside or the outside. To prevent the down shifting and cold spots forming, Sea to Summit has used vertical chest baffles. The 3D side-wall baffle ensures that down can loft to the edge of the bag, thus maximising insulation and preventing you from freezing. The hood helps here as well and comes with a drawcord to cinch it around your face. If you get too hot, you can adjust the hood so that it lies flat and heat doesn’t build up. The bag also features a 2-way YKK zip for easy entry, ventilation and connecting it to another sleeping bag. The zip at the foot box allows you to convert it into a blanket as well, which is great for couples or when it gets a bit warmer out. As for storage, there is a practical inside pocket for batteries or valuables. A compression bag is included with the sleeping bag as well. With the Trek TkII, you’ll have everything you need and plenty of comfort to boot! A real all-rounder!

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This is what other customers say:
A's profile picture
Question from A
Why do both tkii and tkiii have the same weight(995g)?
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Adrian (Community)'s profile picture
Adrian (Community) | Customer Service
11.08.2020 10:25

Hello A, Well spotted! That's an error on our part the weight for the Regular size in the TRKIII is 1190g.

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