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Exped Ultra 6.5R Sleeping Pad (Medium Mummy) vs Yamatomichi UL Pad 100cm

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

Yamatomichi UL Pad 100cm is the lighter option — 265 g lighter than the Exped Ultra 6.5R Sleeping Pad (Medium Mummy) (78% less weight). If grams matter to you, that is the one to beat.
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Spec Exped Ultra 6.5R Sleeping Pad (Medium Mummy) Yamatomichi UL Pad 100cm
Weight 340 g · 0.340 kg · 0.75 lb 75 g · 0.075 kg · 0.17 lb
Brand Exped Yamatomichi
Category Sleep System Sleep System
Exped Ultra 6.5R Sleeping Pad (Medium Mummy)
340 g

Lightweight insulated sleeping pad with leading weight-to-warmth ratio. Medium mummy size, 340g, perfect for all-season ultralight backpacking

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Yamatomichi UL Pad 100cm
75 g

Ultralight closed-cell foam sleeping pad, 100cm length, one of the world's lightest sleep pads at just 75g with minimalist ultralight design

Full details →

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Exped Ultra 6.5R Sleeping Pad (Medium Mummy) vs Yamatomichi UL Pad 100cm: which should you buy?

If saving weight is your priority, the Yamatomichi UL Pad 100cm wins — at 75 g it is 265 g (78%) lighter than the Exped Ultra 6.5R Sleeping Pad (Medium Mummy) (340 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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