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Exped Ultra 6.5R Sleeping Pad vs Western Mountaineering MegaLite 35°F

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

Exped Ultra 6.5R Sleeping Pad is the lighter option — 140 g lighter than the Western Mountaineering MegaLite 35°F (27% less weight). If grams matter to you, that is the one to beat.
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Spec Exped Ultra 6.5R Sleeping Pad Western Mountaineering MegaLite 35°F
Weight 370 g · 0.370 kg · 0.82 lb 510 g · 0.510 kg · 1.12 lb
Brand Exped Western Mountaineering
Category Sleep System Sleep System
Exped Ultra 6.5R Sleeping Pad
370 g

Inflatable pad, 13oz, R-value 6.5, excellent insulation for all seasons

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Western Mountaineering MegaLite 35°F
510 g

Ultralight 850-fill down bag for warm summer conditions.

Full details →

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Exped Ultra 6.5R Sleeping Pad vs Western Mountaineering MegaLite 35°F: which should you buy?

If saving weight is your priority, the Exped Ultra 6.5R Sleeping Pad wins — at 370 g it is 140 g (27%) lighter than the Western Mountaineering MegaLite 35°F (510 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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