Three Season

We've been designing and building sleeping bags for over 40 years with a focus on combining the very best materials with a highly functional, minimalist approach that maximizes the warmth to weight ratio.

Nano series sleeping bags: solid balance of low weight and warmth efficiency for your outdoor adventures.
Offers 850+ fill power European goose down
Schoeller Nanosphere® water-resistant shell
30 denier ripstop lining

UL900 series sleeping bags: saving weight and maximizing warmth for the most discerning backcountry travelers.
Premium 900+ fill power European goose down
Ultralight 10D water-resistant Pertex® Endurance® shell
15 denier microfiber ripstop lining,

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Hummingbird Wave

Hummingbird Nano 20

Swallow Wave

Swallow Nano 20

Swift Nano Wave

Swift Nano 20


Lark Nano 10


Raven Nano 10


Petrel Nano 10

Penguin Wave

Penguin Nano 30

Penguin Wave

Penguin Nano 20


Puffin Nano 20


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