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Exped Ultra 6.5R Medium vs Katabatic Gear Flex 22 Quilt

Weight and specs compared for 2026 — and which one to choose.

Exped Ultra 6.5R Medium is the lighter option — 292 g lighter than the Katabatic Gear Flex 22 Quilt (45% less weight). If grams matter to you, that is the one to beat.
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Spec Exped Ultra 6.5R Medium Katabatic Gear Flex 22 Quilt
Weight 354 g · 0.354 kg · 0.78 lb 646 g · 0.646 kg · 1.42 lb
Brand Exped Katabatic Gear
Category Sleep System Sleep System
Exped Ultra 6.5R Medium
354 g

February 2026 launch ultralight sleeping pad; lightest three-season pad with best weight-to-warmth ratio

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Katabatic Gear Flex 22 Quilt
646 g

22°F down quilt with 900-fill-power goose down and adjustable footbox. Regular size. Highly packable and ultralight for 3-season backpacking.

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Exped Ultra 6.5R Medium vs Katabatic Gear Flex 22 Quilt: which should you buy?

If saving weight is your priority, the Exped Ultra 6.5R Medium wins — at 354 g it is 292 g (45%) lighter than the Katabatic Gear Flex 22 Quilt (646 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest sleep system page, or browse the full gear weight database.

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