Three Season Bags

Lark UL 10 Sleeping Bag

New for Winter 2025/2026: Our Lark 10 UL gets all-new Pertex® Quantum Pro® shell fabric + Pertex® Di...

Vireo UL Sleeping Bag

New for Winter 2025/2026: The Vireo UL gets all-new Pertex® Quantum Pro® shell fabric + Pertex® Diam...

Swallow UL 20/30 Sleeping Bag

Hands down the most popular bag we've ever made, and for good reason. Compared to other mummy bags i...

Winter Wren Sleeping Bag

The Winter Wren is a favorite of backpackers, bikepackers, and big-wall climbers alike. The zip...

Lark 10 UL Sleeping Bag - Previous Model

This is the previous model of the Lark UL. For the new model with more colors and sizes, check out t...

Raven UL 10 Sleeping Bag

New for Winter 2025/2026: The Raven 10 UL gets all-new Pertex® Quantum Pro® shell fabric + Pertex® D...

Puffin YF Sleeping Bag

Craving some extra space? The Puffin might be for you. As a semi-rectangular sleeping bag, it offers...

Tanager Sleeping Bag

Now available in Wide-width and 30 Degree options! We designed the Tanager to meet customer requests...

Winter Wren Sleeping Bag - Muscovy Down

The Winter Wren is a favorite of backpackers, bikepackers, and big-wall climbers alike. The zip...

Swift UL 20/30 Sleeping Bag

New for Winter 2025/2026: The Swift UL gets all-new Pertex® Quantum Pro® shell fabric + Pertex® Diam...

Swift YF 20/30 Sleeping Bag

The widest of our mummy sleeping bags, the Swift is a favorite among those looking to add a few extr...

Swift YF 20/30 Sleeping Bag - Muscovy Down

The widest of our mummy sleeping bags, the Swift is a favorite among those looking to add a few extr...