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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Osprey Nano Wave

Osprey Nano 30

Osprey UL Azure

Osprey UL 30

Swallow Wave

Swallow Nano 20

Swallow UL Tangerine

Swallow UL 20


Lark Nano 10


Lark UL 10


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