Exped Ultra 6.5R vs Forclaz Trek MT900 5°C Down
Weight and specs compared for 2026 — and which one to choose.
All-season insulated air mat with R-6.9 warmth, 9cm thickness and quiet 20D recycled face fabric; mummy regular.
Full details →700 fill power RDS down mummy-style sleeping bag with 90% duck down. Ideal for 3-season trekking with anatomical hood and adjustable footbox. 5°C comfort rating...
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Exped Ultra 6.5R vs Forclaz Trek MT900 5°C Down: which should you buy?
If saving weight is your priority, the Exped Ultra 6.5R wins — at 360 g it is 470 g (57%) lighter than the Forclaz Trek MT900 5°C Down (830 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.